418797208

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{349}}^1\times {\mathrm{2459}}^1$

素因数の和:2875

約数の個数: 32

約数和(自身を含む): 800730000

約数和(自身を除く): 381932792

約数列:

[1, 2, 4, 8, 61, 122, 244, 349, 488, 698, 1396, 2459, 2792, 4918, 9836, 19672, 21289, 42578, 85156, 149999, 170312, 299998, 599996, 858191, 1199992, 1716382, 3432764, 6865528, 52349651, 104699302, 209398604, 418797208]

約数ペア:

[(1, 418797208), (2, 209398604), (4, 104699302), (8, 52349651), (61, 6865528), (122, 3432764), (244, 1716382), (349, 1199992), (488, 858191), (698, 599996), (1396, 299998), (2459, 170312), (2792, 149999), (4918, 85156), (9836, 42578), (19672, 21289)]