2019204065

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1\times {\mathrm{349}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 2534784000

約数和(自身を除く): 515579935

約数列:

[1, 5, 31, 155, 163, 229, 349, 815, 1145, 1745, 5053, 7099, 10819, 25265, 35495, 37327, 54095, 56887, 79921, 186635, 284435, 399605, 1157137, 1763497, 2477551, 5785685, 8817485, 12387755, 13027123, 65135615, 403840813, 2019204065]

約数ペア:

[(1, 2019204065), (5, 403840813), (31, 65135615), (155, 13027123), (163, 12387755), (229, 8817485), (349, 5785685), (815, 2477551), (1145, 1763497), (1745, 1157137), (5053, 399605), (7099, 284435), (10819, 186635), (25265, 79921), (35495, 56887), (37327, 54095)]