221544290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{64969}}^1$

素因数の和:65018

約数の個数: 32

約数和(自身を含む): 449072640

約数和(自身を除く): 227528350

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 64969, 129938, 324845, 649690, 714659, 1429318, 2014039, 3573295, 4028078, 7146590, 10070195, 20140390, 22154429, 44308858, 110772145, 221544290]

約数ペア:

[(1, 221544290), (2, 110772145), (5, 44308858), (10, 22154429), (11, 20140390), (22, 10070195), (31, 7146590), (55, 4028078), (62, 3573295), (110, 2014039), (155, 1429318), (310, 714659), (341, 649690), (682, 324845), (1705, 129938), (3410, 64969)]