8143390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 15333120

約数和(自身を除く): 7189730

約数列:

[1, 2, 5, 10, 31, 62, 109, 155, 218, 241, 310, 482, 545, 1090, 1205, 2410, 3379, 6758, 7471, 14942, 16895, 26269, 33790, 37355, 52538, 74710, 131345, 262690, 814339, 1628678, 4071695, 8143390]

約数ペア:

[(1, 8143390), (2, 4071695), (5, 1628678), (10, 814339), (31, 262690), (62, 131345), (109, 74710), (155, 52538), (218, 37355), (241, 33790), (310, 26269), (482, 16895), (545, 14942), (1090, 7471), (1205, 6758), (2410, 3379)]