31280384

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 67452000

約数和(自身を除く): 36171616

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 64, 76, 109, 118, 128, 152, 218, 236, 256, 304, 436, 472, 608, 872, 944, 1121, 1216, 1744, 1888, 2071, 2242, 2432, 3488, 3776, 4142, 4484, 4864, 6431, 6976, 7552, 8284, 8968, 12862, 13952, 15104, 16568, 17936, 25724, 27904, 33136, 35872, 51448, 66272, 71744, 102896, 122189, 132544, 143488, 205792, 244378, 265088, 286976, 411584, 488756, 530176, 823168, 977512, 1646336, 1955024, 3910048, 7820096, 15640192, 31280384]

約数ペア:

[(1, 31280384), (2, 15640192), (4, 7820096), (8, 3910048), (16, 1955024), (19, 1646336), (32, 977512), (38, 823168), (59, 530176), (64, 488756), (76, 411584), (109, 286976), (118, 265088), (128, 244378), (152, 205792), (218, 143488), (236, 132544), (256, 122189), (304, 102896), (436, 71744), (472, 66272), (608, 51448), (872, 35872), (944, 33136), (1121, 27904), (1216, 25724), (1744, 17936), (1888, 16568), (2071, 15104), (2242, 13952), (2432, 12862), (3488, 8968), (3776, 8284), (4142, 7552), (4484, 6976), (4864, 6431)]