278952128

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:470

約数の個数: 112

約数和(自身を含む): 687531264

約数和(自身を除く): 408579136

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 211, 224, 227, 364, 416, 422, 448, 454, 728, 832, 844, 908, 1456, 1477, 1589, 1688, 1816, 2743, 2912, 2951, 2954, 3178, 3376, 3632, 5486, 5824, 5902, 5908, 6356, 6752, 7264, 10972, 11804, 11816, 12712, 13504, 14528, 19201, 20657, 21944, 23608, 23632, 25424, 38402, 41314, 43888, 47216, 47264, 47897, 50848, 76804, 82628, 87776, 94432, 94528, 95794, 101696, 153608, 165256, 175552, 188864, 191588, 307216, 330512, 335279, 383176, 614432, 622661, 661024, 670558, 766352, 1228864, 1245322, 1322048, 1341116, 1532704, 2490644, 2682232, 3065408, 4358627, 4981288, 5364464, 8717254, 9962576, 10728928, 17434508, 19925152, 21457856, 34869016, 39850304, 69738032, 139476064, 278952128]

約数ペア:

[(1, 278952128), (2, 139476064), (4, 69738032), (7, 39850304), (8, 34869016), (13, 21457856), (14, 19925152), (16, 17434508), (26, 10728928), (28, 9962576), (32, 8717254), (52, 5364464), (56, 4981288), (64, 4358627), (91, 3065408), (104, 2682232), (112, 2490644), (182, 1532704), (208, 1341116), (211, 1322048), (224, 1245322), (227, 1228864), (364, 766352), (416, 670558), (422, 661024), (448, 622661), (454, 614432), (728, 383176), (832, 335279), (844, 330512), (908, 307216), (1456, 191588), (1477, 188864), (1589, 175552), (1688, 165256), (1816, 153608), (2743, 101696), (2912, 95794), (2951, 94528), (2954, 94432), (3178, 87776), (3376, 82628), (3632, 76804), (5486, 50848), (5824, 47897), (5902, 47264), (5908, 47216), (6356, 43888), (6752, 41314), (7264, 38402), (10972, 25424), (11804, 23632), (11816, 23608), (12712, 21944), (13504, 20657), (14528, 19201)]