161855216

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:270

約数の個数: 80

約数和(自身を含む): 339406848

約数和(自身を除く): 177551632

約数列:

[1, 2, 4, 8, 16, 31, 47, 53, 62, 94, 106, 124, 131, 188, 212, 248, 262, 376, 424, 496, 524, 752, 848, 1048, 1457, 1643, 2096, 2491, 2914, 3286, 4061, 4982, 5828, 6157, 6572, 6943, 8122, 9964, 11656, 12314, 13144, 13886, 16244, 19928, 23312, 24628, 26288, 27772, 32488, 39856, 49256, 55544, 64976, 77221, 98512, 111088, 154442, 190867, 215233, 308884, 326321, 381734, 430466, 617768, 652642, 763468, 860932, 1235536, 1305284, 1526936, 1721864, 2610568, 3053872, 3443728, 5221136, 10115951, 20231902, 40463804, 80927608, 161855216]

約数ペア:

[(1, 161855216), (2, 80927608), (4, 40463804), (8, 20231902), (16, 10115951), (31, 5221136), (47, 3443728), (53, 3053872), (62, 2610568), (94, 1721864), (106, 1526936), (124, 1305284), (131, 1235536), (188, 860932), (212, 763468), (248, 652642), (262, 617768), (376, 430466), (424, 381734), (496, 326321), (524, 308884), (752, 215233), (848, 190867), (1048, 154442), (1457, 111088), (1643, 98512), (2096, 77221), (2491, 64976), (2914, 55544), (3286, 49256), (4061, 39856), (4982, 32488), (5828, 27772), (6157, 26288), (6572, 24628), (6943, 23312), (8122, 19928), (9964, 16244), (11656, 13886), (12314, 13144)]