56131168

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:204

約数の個数: 72

約数和(自身を含む): 120399048

約数和(自身を除く): 64267880

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 76, 86, 113, 152, 172, 226, 304, 344, 361, 452, 608, 688, 722, 817, 904, 1376, 1444, 1634, 1808, 2147, 2888, 3268, 3616, 4294, 4859, 5776, 6536, 8588, 9718, 11552, 13072, 15523, 17176, 19436, 26144, 31046, 34352, 38872, 40793, 62092, 68704, 77744, 81586, 92321, 124184, 155488, 163172, 184642, 248368, 326344, 369284, 496736, 652688, 738568, 1305376, 1477136, 1754099, 2954272, 3508198, 7016396, 14032792, 28065584, 56131168]

約数ペア:

[(1, 56131168), (2, 28065584), (4, 14032792), (8, 7016396), (16, 3508198), (19, 2954272), (32, 1754099), (38, 1477136), (43, 1305376), (76, 738568), (86, 652688), (113, 496736), (152, 369284), (172, 326344), (226, 248368), (304, 184642), (344, 163172), (361, 155488), (452, 124184), (608, 92321), (688, 81586), (722, 77744), (817, 68704), (904, 62092), (1376, 40793), (1444, 38872), (1634, 34352), (1808, 31046), (2147, 26144), (2888, 19436), (3268, 17176), (3616, 15523), (4294, 13072), (4859, 11552), (5776, 9718), (6536, 8588)]