1212105890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3910019}}^1$

素因数の和:3910057

約数の個数: 16

約数和(自身を含む): 2252171520

約数和(自身を除く): 1040065630

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 3910019, 7820038, 19550095, 39100190, 121210589, 242421178, 606052945, 1212105890]

約数ペア:

[(1, 1212105890), (2, 606052945), (5, 242421178), (10, 121210589), (31, 39100190), (62, 19550095), (155, 7820038), (310, 3910019)]