523261330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{19813}}^1$

素因数の和:19978

約数の個数: 32

約数和(自身を含む): 998625600

約数和(自身を除く): 475364270

約数列:

[1, 2, 5, 10, 19, 38, 95, 139, 190, 278, 695, 1390, 2641, 5282, 13205, 19813, 26410, 39626, 99065, 198130, 376447, 752894, 1882235, 2754007, 3764470, 5508014, 13770035, 27540070, 52326133, 104652266, 261630665, 523261330]

約数ペア:

[(1, 523261330), (2, 261630665), (5, 104652266), (10, 52326133), (19, 27540070), (38, 13770035), (95, 5508014), (139, 3764470), (190, 2754007), (278, 1882235), (695, 752894), (1390, 376447), (2641, 198130), (5282, 99065), (13205, 39626), (19813, 26410)]