81839576

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1423}}^1$

素因数の和:1528

約数の個数: 64

約数和(自身を含む): 191385600

約数和(自身を除く): 109546024

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 79, 91, 104, 158, 182, 316, 364, 553, 632, 728, 1027, 1106, 1423, 2054, 2212, 2846, 4108, 4424, 5692, 7189, 8216, 9961, 11384, 14378, 18499, 19922, 28756, 36998, 39844, 57512, 73996, 79688, 112417, 129493, 147992, 224834, 258986, 449668, 517972, 786919, 899336, 1035944, 1461421, 1573838, 2922842, 3147676, 5845684, 6295352, 10229947, 11691368, 20459894, 40919788, 81839576]

約数ペア:

[(1, 81839576), (2, 40919788), (4, 20459894), (7, 11691368), (8, 10229947), (13, 6295352), (14, 5845684), (26, 3147676), (28, 2922842), (52, 1573838), (56, 1461421), (79, 1035944), (91, 899336), (104, 786919), (158, 517972), (182, 449668), (316, 258986), (364, 224834), (553, 147992), (632, 129493), (728, 112417), (1027, 79688), (1106, 73996), (1423, 57512), (2054, 39844), (2212, 36998), (2846, 28756), (4108, 19922), (4424, 18499), (5692, 14378), (7189, 11384), (8216, 9961)]