31589888

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 80

約数和(自身を含む): 70709760

約数和(自身を除く): 39119872

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 71, 79, 88, 128, 142, 158, 176, 256, 284, 316, 352, 512, 568, 632, 704, 781, 869, 1136, 1264, 1408, 1562, 1738, 2272, 2528, 2816, 3124, 3476, 4544, 5056, 5609, 5632, 6248, 6952, 9088, 10112, 11218, 12496, 13904, 18176, 20224, 22436, 24992, 27808, 36352, 40448, 44872, 49984, 55616, 61699, 89744, 99968, 111232, 123398, 179488, 199936, 222464, 246796, 358976, 399872, 444928, 493592, 717952, 987184, 1435904, 1974368, 2871808, 3948736, 7897472, 15794944, 31589888]

約数ペア:

[(1, 31589888), (2, 15794944), (4, 7897472), (8, 3948736), (11, 2871808), (16, 1974368), (22, 1435904), (32, 987184), (44, 717952), (64, 493592), (71, 444928), (79, 399872), (88, 358976), (128, 246796), (142, 222464), (158, 199936), (176, 179488), (256, 123398), (284, 111232), (316, 99968), (352, 89744), (512, 61699), (568, 55616), (632, 49984), (704, 44872), (781, 40448), (869, 36352), (1136, 27808), (1264, 24992), (1408, 22436), (1562, 20224), (1738, 18176), (2272, 13904), (2528, 12496), (2816, 11218), (3124, 10112), (3476, 9088), (4544, 6952), (5056, 6248), (5609, 5632)]