639736524

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{41617}}^1$

素因数の和:41695

約数の個数: 72

約数和(自身を含む): 1878470048

約数和(自身を除く): 1238733524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 366, 427, 549, 732, 854, 1098, 1281, 1708, 2196, 2562, 3843, 5124, 7686, 15372, 41617, 83234, 124851, 166468, 249702, 291319, 374553, 499404, 582638, 749106, 873957, 1165276, 1498212, 1747914, 2538637, 2621871, 3495828, 5077274, 5243742, 7615911, 10154548, 10487484, 15231822, 17770459, 22847733, 30463644, 35540918, 45695466, 53311377, 71081836, 91390932, 106622754, 159934131, 213245508, 319868262, 639736524]

約数ペア:

[(1, 639736524), (2, 319868262), (3, 213245508), (4, 159934131), (6, 106622754), (7, 91390932), (9, 71081836), (12, 53311377), (14, 45695466), (18, 35540918), (21, 30463644), (28, 22847733), (36, 17770459), (42, 15231822), (61, 10487484), (63, 10154548), (84, 7615911), (122, 5243742), (126, 5077274), (183, 3495828), (244, 2621871), (252, 2538637), (366, 1747914), (427, 1498212), (549, 1165276), (732, 873957), (854, 749106), (1098, 582638), (1281, 499404), (1708, 374553), (2196, 291319), (2562, 249702), (3843, 166468), (5124, 124851), (7686, 83234), (15372, 41617)]