251307328

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7451}}^1$

素因数の和:7511

約数の個数: 56

約数和(自身を含む): 545128704

約数和(自身を除く): 293821376

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 136, 248, 272, 496, 527, 544, 992, 1054, 1088, 1984, 2108, 4216, 7451, 8432, 14902, 16864, 29804, 33728, 59608, 119216, 126667, 230981, 238432, 253334, 461962, 476864, 506668, 923924, 1013336, 1847848, 2026672, 3695696, 3926677, 4053344, 7391392, 7853354, 8106688, 14782784, 15706708, 31413416, 62826832, 125653664, 251307328]

約数ペア:

[(1, 251307328), (2, 125653664), (4, 62826832), (8, 31413416), (16, 15706708), (17, 14782784), (31, 8106688), (32, 7853354), (34, 7391392), (62, 4053344), (64, 3926677), (68, 3695696), (124, 2026672), (136, 1847848), (248, 1013336), (272, 923924), (496, 506668), (527, 476864), (544, 461962), (992, 253334), (1054, 238432), (1088, 230981), (1984, 126667), (2108, 119216), (4216, 59608), (7451, 33728), (8432, 29804), (14902, 16864)]