257095696

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{359}}^1$

素因数の和:704

約数の個数: 80

約数和(自身を含む): 588712320

約数和(自身を除く): 331616624

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 313, 359, 572, 626, 718, 1144, 1252, 1436, 2288, 2504, 2872, 3443, 3949, 4069, 4667, 5008, 5744, 6886, 7898, 8138, 9334, 13772, 15796, 16276, 18668, 27544, 31592, 32552, 37336, 44759, 51337, 55088, 63184, 65104, 74672, 89518, 102674, 112367, 179036, 205348, 224734, 358072, 410696, 449468, 716144, 821392, 898936, 1236037, 1460771, 1797872, 2472074, 2921542, 4944148, 5843084, 9888296, 11686168, 16068481, 19776592, 23372336, 32136962, 64273924, 128547848, 257095696]

約数ペア:

[(1, 257095696), (2, 128547848), (4, 64273924), (8, 32136962), (11, 23372336), (13, 19776592), (16, 16068481), (22, 11686168), (26, 9888296), (44, 5843084), (52, 4944148), (88, 2921542), (104, 2472074), (143, 1797872), (176, 1460771), (208, 1236037), (286, 898936), (313, 821392), (359, 716144), (572, 449468), (626, 410696), (718, 358072), (1144, 224734), (1252, 205348), (1436, 179036), (2288, 112367), (2504, 102674), (2872, 89518), (3443, 74672), (3949, 65104), (4069, 63184), (4667, 55088), (5008, 51337), (5744, 44759), (6886, 37336), (7898, 32552), (8138, 31592), (9334, 27544), (13772, 18668), (15796, 16276)]