655120886692

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{1259}}^1\times {\mathrm{4073}}^1$

素因数の和:5437

約数の個数: 72

約数和(自身を含む): 1238240152800

約数和(自身を除く): 583119266108

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1259, 1558, 1681, 2518, 3116, 3362, 4073, 5036, 6724, 8146, 16292, 23921, 31939, 47842, 51619, 63878, 77387, 95684, 103238, 127756, 154774, 166993, 206476, 309548, 333986, 667972, 980761, 1961522, 2116379, 3172867, 3923044, 4232758, 5127907, 6345734, 6846713, 8465516, 10255814, 12691468, 13693426, 20511628, 27386852, 40211201, 80422402, 97430233, 130087547, 160844804, 194860466, 210244187, 260175094, 389720932, 420488374, 520350188, 840976748, 3994639553, 7989279106, 8620011667, 15978558212, 17240023334, 34480046668, 163780221673, 327560443346, 655120886692]

約数ペア:

[(1, 655120886692), (2, 327560443346), (4, 163780221673), (19, 34480046668), (38, 17240023334), (41, 15978558212), (76, 8620011667), (82, 7989279106), (164, 3994639553), (779, 840976748), (1259, 520350188), (1558, 420488374), (1681, 389720932), (2518, 260175094), (3116, 210244187), (3362, 194860466), (4073, 160844804), (5036, 130087547), (6724, 97430233), (8146, 80422402), (16292, 40211201), (23921, 27386852), (31939, 20511628), (47842, 13693426), (51619, 12691468), (63878, 10255814), (77387, 8465516), (95684, 6846713), (103238, 6345734), (127756, 5127907), (154774, 4232758), (166993, 3923044), (206476, 3172867), (309548, 2116379), (333986, 1961522), (667972, 980761)]