31771648

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 88

約数和(自身を含む): 70744320

約数和(自身を除く): 38972672

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 71, 76, 92, 128, 142, 152, 184, 256, 284, 304, 368, 437, 512, 568, 608, 736, 874, 1024, 1136, 1216, 1349, 1472, 1633, 1748, 2272, 2432, 2698, 2944, 3266, 3496, 4544, 4864, 5396, 5888, 6532, 6992, 9088, 9728, 10792, 11776, 13064, 13984, 18176, 19456, 21584, 23552, 26128, 27968, 31027, 36352, 43168, 52256, 55936, 62054, 72704, 86336, 104512, 111872, 124108, 172672, 209024, 223744, 248216, 345344, 418048, 447488, 496432, 690688, 836096, 992864, 1381376, 1672192, 1985728, 3971456, 7942912, 15885824, 31771648]

約数ペア:

[(1, 31771648), (2, 15885824), (4, 7942912), (8, 3971456), (16, 1985728), (19, 1672192), (23, 1381376), (32, 992864), (38, 836096), (46, 690688), (64, 496432), (71, 447488), (76, 418048), (92, 345344), (128, 248216), (142, 223744), (152, 209024), (184, 172672), (256, 124108), (284, 111872), (304, 104512), (368, 86336), (437, 72704), (512, 62054), (568, 55936), (608, 52256), (736, 43168), (874, 36352), (1024, 31027), (1136, 27968), (1216, 26128), (1349, 23552), (1472, 21584), (1633, 19456), (1748, 18176), (2272, 13984), (2432, 13064), (2698, 11776), (2944, 10792), (3266, 9728), (3496, 9088), (4544, 6992), (4864, 6532), (5396, 5888)]