219926772

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 144

約数和(自身を含む): 638379840

約数和(自身を除く): 418453068

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 31, 36, 39, 52, 54, 62, 78, 93, 108, 117, 124, 156, 163, 186, 234, 279, 326, 351, 372, 403, 468, 489, 558, 652, 702, 806, 837, 961, 978, 1116, 1209, 1404, 1467, 1612, 1674, 1922, 1956, 2119, 2418, 2883, 2934, 3348, 3627, 3844, 4238, 4401, 4836, 5053, 5766, 5868, 6357, 7254, 8476, 8649, 8802, 10106, 10881, 11532, 12493, 12714, 14508, 15159, 17298, 17604, 19071, 20212, 21762, 24986, 25428, 25947, 30318, 34596, 37479, 38142, 43524, 45477, 49972, 51894, 57213, 60636, 65689, 74958, 76284, 90954, 103788, 112437, 114426, 131378, 136431, 149916, 156643, 181908, 197067, 224874, 228852, 262756, 272862, 313286, 337311, 394134, 449748, 469929, 545724, 591201, 626572, 674622, 788268, 939858, 1182402, 1349244, 1409787, 1773603, 1879716, 2036359, 2364804, 2819574, 3547206, 4072718, 4229361, 5639148, 6109077, 7094412, 8145436, 8458722, 12218154, 16917444, 18327231, 24436308, 36654462, 54981693, 73308924, 109963386, 219926772]

約数ペア:

[(1, 219926772), (2, 109963386), (3, 73308924), (4, 54981693), (6, 36654462), (9, 24436308), (12, 18327231), (13, 16917444), (18, 12218154), (26, 8458722), (27, 8145436), (31, 7094412), (36, 6109077), (39, 5639148), (52, 4229361), (54, 4072718), (62, 3547206), (78, 2819574), (93, 2364804), (108, 2036359), (117, 1879716), (124, 1773603), (156, 1409787), (163, 1349244), (186, 1182402), (234, 939858), (279, 788268), (326, 674622), (351, 626572), (372, 591201), (403, 545724), (468, 469929), (489, 449748), (558, 394134), (652, 337311), (702, 313286), (806, 272862), (837, 262756), (961, 228852), (978, 224874), (1116, 197067), (1209, 181908), (1404, 156643), (1467, 149916), (1612, 136431), (1674, 131378), (1922, 114426), (1956, 112437), (2119, 103788), (2418, 90954), (2883, 76284), (2934, 74958), (3348, 65689), (3627, 60636), (3844, 57213), (4238, 51894), (4401, 49972), (4836, 45477), (5053, 43524), (5766, 38142), (5868, 37479), (6357, 34596), (7254, 30318), (8476, 25947), (8649, 25428), (8802, 24986), (10106, 21762), (10881, 20212), (11532, 19071), (12493, 17604), (12714, 17298), (14508, 15159)]