31481368

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2081}}^1$

素因数の和:2179

約数の個数: 32

約数和(自身を含む): 61960320

約数和(自身を除く): 30478952

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 244, 248, 488, 1891, 2081, 3782, 4162, 7564, 8324, 15128, 16648, 64511, 126941, 129022, 253882, 258044, 507764, 516088, 1015528, 3935171, 7870342, 15740684, 31481368]

約数ペア:

[(1, 31481368), (2, 15740684), (4, 7870342), (8, 3935171), (31, 1015528), (61, 516088), (62, 507764), (122, 258044), (124, 253882), (244, 129022), (248, 126941), (488, 64511), (1891, 16648), (2081, 15128), (3782, 8324), (4162, 7564)]