400806688

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{23767}}^1$

素因数の和:23825

約数の個数: 48

約数和(自身を含む): 862493184

約数和(自身を除く): 461686496

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 248, 272, 496, 527, 544, 992, 1054, 2108, 4216, 8432, 16864, 23767, 47534, 95068, 190136, 380272, 404039, 736777, 760544, 808078, 1473554, 1616156, 2947108, 3232312, 5894216, 6464624, 11788432, 12525209, 12929248, 23576864, 25050418, 50100836, 100201672, 200403344, 400806688]

約数ペア:

[(1, 400806688), (2, 200403344), (4, 100201672), (8, 50100836), (16, 25050418), (17, 23576864), (31, 12929248), (32, 12525209), (34, 11788432), (62, 6464624), (68, 5894216), (124, 3232312), (136, 2947108), (248, 1616156), (272, 1473554), (496, 808078), (527, 760544), (544, 736777), (992, 404039), (1054, 380272), (2108, 190136), (4216, 95068), (8432, 47534), (16864, 23767)]