31971016

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 82114560

約数和(自身を除く): 50143544

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 43, 44, 56, 68, 71, 77, 86, 88, 119, 136, 142, 154, 172, 187, 238, 284, 301, 308, 344, 374, 473, 476, 497, 568, 602, 616, 731, 748, 781, 946, 952, 994, 1204, 1207, 1309, 1462, 1496, 1562, 1892, 1988, 2408, 2414, 2618, 2924, 3053, 3124, 3311, 3784, 3976, 4828, 5117, 5236, 5467, 5848, 6106, 6248, 6622, 8041, 8449, 9656, 10234, 10472, 10934, 12212, 13244, 13277, 16082, 16898, 20468, 21371, 21868, 24424, 26488, 26554, 32164, 33583, 33796, 40936, 42742, 43736, 51901, 53108, 56287, 64328, 67166, 67592, 85484, 92939, 103802, 106216, 112574, 134332, 170968, 185878, 207604, 225148, 235081, 268664, 363307, 371756, 415208, 450296, 470162, 570911, 726614, 743512, 940324, 1141822, 1453228, 1880648, 2283644, 2906456, 3996377, 4567288, 7992754, 15985508, 31971016]

約数ペア:

[(1, 31971016), (2, 15985508), (4, 7992754), (7, 4567288), (8, 3996377), (11, 2906456), (14, 2283644), (17, 1880648), (22, 1453228), (28, 1141822), (34, 940324), (43, 743512), (44, 726614), (56, 570911), (68, 470162), (71, 450296), (77, 415208), (86, 371756), (88, 363307), (119, 268664), (136, 235081), (142, 225148), (154, 207604), (172, 185878), (187, 170968), (238, 134332), (284, 112574), (301, 106216), (308, 103802), (344, 92939), (374, 85484), (473, 67592), (476, 67166), (497, 64328), (568, 56287), (602, 53108), (616, 51901), (731, 43736), (748, 42742), (781, 40936), (946, 33796), (952, 33583), (994, 32164), (1204, 26554), (1207, 26488), (1309, 24424), (1462, 21868), (1496, 21371), (1562, 20468), (1892, 16898), (1988, 16082), (2408, 13277), (2414, 13244), (2618, 12212), (2924, 10934), (3053, 10472), (3124, 10234), (3311, 9656), (3784, 8449), (3976, 8041), (4828, 6622), (5117, 6248), (5236, 6106), (5467, 5848)]