12551217380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:538

約数の個数: 144

約数和(自身を含む): 29595912192

約数和(自身を除く): 17044694812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 191, 260, 263, 310, 382, 403, 526, 620, 764, 806, 955, 961, 1052, 1315, 1612, 1910, 1922, 2015, 2483, 2630, 3419, 3820, 3844, 4030, 4805, 4966, 5260, 5921, 6838, 8060, 8153, 9610, 9932, 11842, 12415, 12493, 13676, 16306, 17095, 19220, 23684, 24830, 24986, 29605, 32612, 34190, 40765, 49660, 49972, 50233, 59210, 62465, 68380, 76973, 81530, 100466, 105989, 118420, 124930, 153946, 163060, 183551, 200932, 211978, 249860, 251165, 252743, 307892, 367102, 384865, 423956, 502330, 505486, 529945, 653029, 734204, 769730, 917755, 1004660, 1010972, 1059890, 1263715, 1306058, 1539460, 1557223, 1835510, 2119780, 2386163, 2527430, 2612116, 3114446, 3265145, 3285659, 3671020, 4772326, 5054860, 6228892, 6530290, 6571318, 7786115, 9544652, 11930815, 13060580, 13142636, 15572230, 16428295, 20243899, 23861630, 31144460, 32856590, 40487798, 47723260, 48273913, 65713180, 80975596, 96547826, 101219495, 193095652, 202438990, 241369565, 404877980, 482739130, 627560869, 965478260, 1255121738, 2510243476, 3137804345, 6275608690, 12551217380]

約数ペア:

[(1, 12551217380), (2, 6275608690), (4, 3137804345), (5, 2510243476), (10, 1255121738), (13, 965478260), (20, 627560869), (26, 482739130), (31, 404877980), (52, 241369565), (62, 202438990), (65, 193095652), (124, 101219495), (130, 96547826), (155, 80975596), (191, 65713180), (260, 48273913), (263, 47723260), (310, 40487798), (382, 32856590), (403, 31144460), (526, 23861630), (620, 20243899), (764, 16428295), (806, 15572230), (955, 13142636), (961, 13060580), (1052, 11930815), (1315, 9544652), (1612, 7786115), (1910, 6571318), (1922, 6530290), (2015, 6228892), (2483, 5054860), (2630, 4772326), (3419, 3671020), (3820, 3285659), (3844, 3265145), (4030, 3114446), (4805, 2612116), (4966, 2527430), (5260, 2386163), (5921, 2119780), (6838, 1835510), (8060, 1557223), (8153, 1539460), (9610, 1306058), (9932, 1263715), (11842, 1059890), (12415, 1010972), (12493, 1004660), (13676, 917755), (16306, 769730), (17095, 734204), (19220, 653029), (23684, 529945), (24830, 505486), (24986, 502330), (29605, 423956), (32612, 384865), (34190, 367102), (40765, 307892), (49660, 252743), (49972, 251165), (50233, 249860), (59210, 211978), (62465, 200932), (68380, 183551), (76973, 163060), (81530, 153946), (100466, 124930), (105989, 118420)]