201708910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{853}}^1$

素因数の和:997

約数の個数: 64

約数和(自身を含む): 418364352

約数和(自身を除く): 216655442

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 107, 130, 170, 214, 221, 442, 535, 853, 1070, 1105, 1391, 1706, 1819, 2210, 2782, 3638, 4265, 6955, 8530, 9095, 11089, 13910, 14501, 18190, 22178, 23647, 29002, 47294, 55445, 72505, 91271, 110890, 118235, 145010, 182542, 188513, 236470, 377026, 456355, 912710, 942565, 1186523, 1551607, 1885130, 2373046, 3103214, 5932615, 7758035, 11865230, 15516070, 20170891, 40341782, 100854455, 201708910]

約数ペア:

[(1, 201708910), (2, 100854455), (5, 40341782), (10, 20170891), (13, 15516070), (17, 11865230), (26, 7758035), (34, 5932615), (65, 3103214), (85, 2373046), (107, 1885130), (130, 1551607), (170, 1186523), (214, 942565), (221, 912710), (442, 456355), (535, 377026), (853, 236470), (1070, 188513), (1105, 182542), (1391, 145010), (1706, 118235), (1819, 110890), (2210, 91271), (2782, 72505), (3638, 55445), (4265, 47294), (6955, 29002), (8530, 23647), (9095, 22178), (11089, 18190), (13910, 14501)]