221245256

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{412771}}^1$

素因数の和:412844

約数の個数: 16

約数和(自身を含む): 421027440

約数和(自身を除く): 199782184

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 412771, 825542, 1651084, 3302168, 27655657, 55311314, 110622628, 221245256]

約数ペア:

[(1, 221245256), (2, 110622628), (4, 55311314), (8, 27655657), (67, 3302168), (134, 1651084), (268, 825542), (536, 412771)]