77988564

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 202161960

約数和(自身を除く): 124173396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 101, 178, 202, 241, 267, 303, 356, 404, 482, 534, 606, 723, 801, 909, 964, 1068, 1212, 1446, 1602, 1818, 2169, 2892, 3204, 3636, 4338, 8676, 8989, 17978, 21449, 24341, 26967, 35956, 42898, 48682, 53934, 64347, 73023, 80901, 85796, 97364, 107868, 128694, 146046, 161802, 193041, 219069, 257388, 292092, 323604, 386082, 438138, 772164, 876276, 2166349, 4332698, 6499047, 8665396, 12998094, 19497141, 25996188, 38994282, 77988564]

約数ペア:

[(1, 77988564), (2, 38994282), (3, 25996188), (4, 19497141), (6, 12998094), (9, 8665396), (12, 6499047), (18, 4332698), (36, 2166349), (89, 876276), (101, 772164), (178, 438138), (202, 386082), (241, 323604), (267, 292092), (303, 257388), (356, 219069), (404, 193041), (482, 161802), (534, 146046), (606, 128694), (723, 107868), (801, 97364), (909, 85796), (964, 80901), (1068, 73023), (1212, 64347), (1446, 53934), (1602, 48682), (1818, 42898), (2169, 35956), (2892, 26967), (3204, 24341), (3636, 21449), (4338, 17978), (8676, 8989)]