647131212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{787}}^1$

素因数の和:1068

約数の個数: 144

約数和(自身を含む): 2023886592

約数和(自身を除く): 1376755380

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 251, 252, 273, 364, 468, 502, 546, 753, 787, 819, 1004, 1092, 1506, 1574, 1638, 1757, 2259, 2361, 3012, 3148, 3263, 3276, 3514, 4518, 4722, 5271, 5509, 6526, 7028, 7083, 9036, 9444, 9789, 10231, 10542, 11018, 13052, 14166, 15813, 16527, 19578, 20462, 21084, 22036, 22841, 28332, 29367, 30693, 31626, 33054, 39156, 40924, 45682, 49581, 58734, 61386, 63252, 66108, 68523, 71617, 91364, 92079, 99162, 117468, 122772, 137046, 143234, 184158, 197537, 198324, 205569, 214851, 274092, 286468, 368316, 395074, 411138, 429702, 592611, 644553, 790148, 822276, 859404, 1185222, 1289106, 1382759, 1777833, 2370444, 2567981, 2578212, 2765518, 3555666, 4148277, 5135962, 5531036, 7111332, 7703943, 8296554, 10271924, 12444831, 15407886, 16593108, 17975867, 23111829, 24889662, 30815772, 35951734, 46223658, 49779324, 53927601, 71903468, 92447316, 107855202, 161782803, 215710404, 323565606, 647131212]

約数ペア:

[(1, 647131212), (2, 323565606), (3, 215710404), (4, 161782803), (6, 107855202), (7, 92447316), (9, 71903468), (12, 53927601), (13, 49779324), (14, 46223658), (18, 35951734), (21, 30815772), (26, 24889662), (28, 23111829), (36, 17975867), (39, 16593108), (42, 15407886), (52, 12444831), (63, 10271924), (78, 8296554), (84, 7703943), (91, 7111332), (117, 5531036), (126, 5135962), (156, 4148277), (182, 3555666), (234, 2765518), (251, 2578212), (252, 2567981), (273, 2370444), (364, 1777833), (468, 1382759), (502, 1289106), (546, 1185222), (753, 859404), (787, 822276), (819, 790148), (1004, 644553), (1092, 592611), (1506, 429702), (1574, 411138), (1638, 395074), (1757, 368316), (2259, 286468), (2361, 274092), (3012, 214851), (3148, 205569), (3263, 198324), (3276, 197537), (3514, 184158), (4518, 143234), (4722, 137046), (5271, 122772), (5509, 117468), (6526, 99162), (7028, 92079), (7083, 91364), (9036, 71617), (9444, 68523), (9789, 66108), (10231, 63252), (10542, 61386), (11018, 58734), (13052, 49581), (14166, 45682), (15813, 40924), (16527, 39156), (19578, 33054), (20462, 31626), (21084, 30693), (22036, 29367), (22841, 28332)]