208758472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3643}}^1$

素因数の和:3710

約数の個数: 64

約数和(自身を含む): 459144000

約数和(自身を除く): 250385528

約数列:

[1, 2, 4, 8, 13, 19, 26, 29, 38, 52, 58, 76, 104, 116, 152, 232, 247, 377, 494, 551, 754, 988, 1102, 1508, 1976, 2204, 3016, 3643, 4408, 7163, 7286, 14326, 14572, 28652, 29144, 47359, 57304, 69217, 94718, 105647, 138434, 189436, 211294, 276868, 378872, 422588, 553736, 845176, 899821, 1373411, 1799642, 2007293, 2746822, 3599284, 4014586, 5493644, 7198568, 8029172, 10987288, 16058344, 26094809, 52189618, 104379236, 208758472]

約数ペア:

[(1, 208758472), (2, 104379236), (4, 52189618), (8, 26094809), (13, 16058344), (19, 10987288), (26, 8029172), (29, 7198568), (38, 5493644), (52, 4014586), (58, 3599284), (76, 2746822), (104, 2007293), (116, 1799642), (152, 1373411), (232, 899821), (247, 845176), (377, 553736), (494, 422588), (551, 378872), (754, 276868), (988, 211294), (1102, 189436), (1508, 138434), (1976, 105647), (2204, 94718), (3016, 69217), (3643, 57304), (4408, 47359), (7163, 29144), (7286, 28652), (14326, 14572)]