398937698

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{701}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 632406528

約数和(自身を除く): 233468830

約数列:

[1, 2, 31, 62, 67, 134, 137, 274, 701, 1402, 2077, 4154, 4247, 8494, 9179, 18358, 21731, 43462, 46967, 93934, 96037, 192074, 284549, 569098, 1455977, 2911954, 2977147, 5954294, 6434479, 12868958, 199468849, 398937698]

約数ペア:

[(1, 398937698), (2, 199468849), (31, 12868958), (62, 6434479), (67, 5954294), (134, 2977147), (137, 2911954), (274, 1455977), (701, 569098), (1402, 284549), (2077, 192074), (4154, 96037), (4247, 93934), (8494, 46967), (9179, 43462), (18358, 21731)]