401025808

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{2707}}^1$

素因数の和:2959

約数の個数: 40

約数和(自身を含む): 797841792

約数和(自身を除く): 396815984

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 197, 376, 394, 752, 788, 1576, 2707, 3152, 5414, 9259, 10828, 18518, 21656, 37036, 43312, 74072, 127229, 148144, 254458, 508916, 533279, 1017832, 1066558, 2035664, 2133116, 4266232, 8532464, 25064113, 50128226, 100256452, 200512904, 401025808]

約数ペア:

[(1, 401025808), (2, 200512904), (4, 100256452), (8, 50128226), (16, 25064113), (47, 8532464), (94, 4266232), (188, 2133116), (197, 2035664), (376, 1066558), (394, 1017832), (752, 533279), (788, 508916), (1576, 254458), (2707, 148144), (3152, 127229), (5414, 74072), (9259, 43312), (10828, 37036), (18518, 21656)]