649488130

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{20341}}^1$

素因数の和:20482

約数の個数: 32

約数和(自身を含む): 1218567168

約数和(自身を除く): 569079038

約数列:

[1, 2, 5, 10, 31, 62, 103, 155, 206, 310, 515, 1030, 3193, 6386, 15965, 20341, 31930, 40682, 101705, 203410, 630571, 1261142, 2095123, 3152855, 4190246, 6305710, 10475615, 20951230, 64948813, 129897626, 324744065, 649488130]

約数ペア:

[(1, 649488130), (2, 324744065), (5, 129897626), (10, 64948813), (31, 20951230), (62, 10475615), (103, 6305710), (155, 4190246), (206, 3152855), (310, 2095123), (515, 1261142), (1030, 630571), (3193, 203410), (6386, 101705), (15965, 40682), (20341, 31930)]