31439156

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 64995840

約数和(自身を除く): 33556684

約数列:

[1, 2, 4, 7, 14, 28, 61, 79, 122, 158, 233, 244, 316, 427, 466, 553, 854, 932, 1106, 1631, 1708, 2212, 3262, 4819, 6524, 9638, 14213, 18407, 19276, 28426, 33733, 36814, 56852, 67466, 73628, 99491, 128849, 134932, 198982, 257698, 397964, 515396, 1122827, 2245654, 4491308, 7859789, 15719578, 31439156]

約数ペア:

[(1, 31439156), (2, 15719578), (4, 7859789), (7, 4491308), (14, 2245654), (28, 1122827), (61, 515396), (79, 397964), (122, 257698), (158, 198982), (233, 134932), (244, 128849), (316, 99491), (427, 73628), (466, 67466), (553, 56852), (854, 36814), (932, 33733), (1106, 28426), (1631, 19276), (1708, 18407), (2212, 14213), (3262, 9638), (4819, 6524)]