639477858

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{19207}}^1$

素因数の和:19422

約数の個数: 32

約数和(自身を含む): 1327656960

約数和(自身を除く): 688179102

約数列:

[1, 2, 3, 6, 31, 62, 93, 179, 186, 358, 537, 1074, 5549, 11098, 16647, 19207, 33294, 38414, 57621, 115242, 595417, 1190834, 1786251, 3438053, 3572502, 6876106, 10314159, 20628318, 106579643, 213159286, 319738929, 639477858]

約数ペア:

[(1, 639477858), (2, 319738929), (3, 213159286), (6, 106579643), (31, 20628318), (62, 10314159), (93, 6876106), (179, 3572502), (186, 3438053), (358, 1786251), (537, 1190834), (1074, 595417), (5549, 115242), (11098, 57621), (16647, 38414), (19207, 33294)]