221640894704

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{137154019}}^1$

素因数の和:137154128

約数の個数: 20

約数和(自身を含む): 433681011240

約数和(自身を除く): 212040116536

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 137154019, 274308038, 548616076, 1097232152, 2194464304, 13852555919, 27705111838, 55410223676, 110820447352, 221640894704]

約数ペア:

[(1, 221640894704), (2, 110820447352), (4, 55410223676), (8, 27705111838), (16, 13852555919), (101, 2194464304), (202, 1097232152), (404, 548616076), (808, 274308038), (1616, 137154019)]