287360216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1051}}^1$

素因数の和:1320

約数の個数: 64

約数和(自身を含む): 636249600

約数和(自身を除く): 348889384

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 239, 286, 478, 572, 956, 1051, 1144, 1912, 2102, 2629, 3107, 4204, 5258, 6214, 8408, 10516, 11561, 12428, 13663, 21032, 23122, 24856, 27326, 34177, 46244, 54652, 68354, 92488, 109304, 136708, 150293, 251189, 273416, 300586, 502378, 601172, 1004756, 1202344, 2009512, 2763079, 3265457, 5526158, 6530914, 11052316, 13061828, 22104632, 26123656, 35920027, 71840054, 143680108, 287360216]

約数ペア:

[(1, 287360216), (2, 143680108), (4, 71840054), (8, 35920027), (11, 26123656), (13, 22104632), (22, 13061828), (26, 11052316), (44, 6530914), (52, 5526158), (88, 3265457), (104, 2763079), (143, 2009512), (239, 1202344), (286, 1004756), (478, 601172), (572, 502378), (956, 300586), (1051, 273416), (1144, 251189), (1912, 150293), (2102, 136708), (2629, 109304), (3107, 92488), (4204, 68354), (5258, 54652), (6214, 46244), (8408, 34177), (10516, 27326), (11561, 24856), (12428, 23122), (13663, 21032)]