638754876

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{190787}}^1$

素因数の和:190831

約数の個数: 48

約数和(自身を含む): 1709460480

約数和(自身を除く): 1070705604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 186, 279, 372, 558, 837, 1116, 1674, 3348, 190787, 381574, 572361, 763148, 1144722, 1717083, 2289444, 3434166, 5151249, 5914397, 6868332, 10302498, 11828794, 17743191, 20604996, 23657588, 35486382, 53229573, 70972764, 106459146, 159688719, 212918292, 319377438, 638754876]

約数ペア:

[(1, 638754876), (2, 319377438), (3, 212918292), (4, 159688719), (6, 106459146), (9, 70972764), (12, 53229573), (18, 35486382), (27, 23657588), (31, 20604996), (36, 17743191), (54, 11828794), (62, 10302498), (93, 6868332), (108, 5914397), (124, 5151249), (186, 3434166), (279, 2289444), (372, 1717083), (558, 1144722), (837, 763148), (1116, 572361), (1674, 381574), (3348, 190787)]