28707968

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 32981632

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 79, 128, 136, 158, 167, 272, 316, 334, 544, 632, 668, 1088, 1264, 1336, 1343, 2176, 2528, 2672, 2686, 2839, 5056, 5344, 5372, 5678, 10112, 10688, 10744, 11356, 13193, 21376, 21488, 22712, 26386, 42976, 45424, 52772, 85952, 90848, 105544, 171904, 181696, 211088, 224281, 363392, 422176, 448562, 844352, 897124, 1688704, 1794248, 3588496, 7176992, 14353984, 28707968]

約数ペア:

[(1, 28707968), (2, 14353984), (4, 7176992), (8, 3588496), (16, 1794248), (17, 1688704), (32, 897124), (34, 844352), (64, 448562), (68, 422176), (79, 363392), (128, 224281), (136, 211088), (158, 181696), (167, 171904), (272, 105544), (316, 90848), (334, 85952), (544, 52772), (632, 45424), (668, 42976), (1088, 26386), (1264, 22712), (1336, 21488), (1343, 21376), (2176, 13193), (2528, 11356), (2672, 10744), (2686, 10688), (2839, 10112), (5056, 5678), (5344, 5372)]