639452004

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{9497}}^1$

素因数の和:9716

約数の個数: 48

約数和(自身を含む): 1548857856

約数和(自身を除く): 909405852

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 181, 186, 362, 372, 543, 724, 1086, 2172, 5611, 9497, 11222, 16833, 18994, 22444, 28491, 33666, 37988, 56982, 67332, 113964, 294407, 588814, 883221, 1177628, 1718957, 1766442, 3437914, 3532884, 5156871, 6875828, 10313742, 20627484, 53287667, 106575334, 159863001, 213150668, 319726002, 639452004]

約数ペア:

[(1, 639452004), (2, 319726002), (3, 213150668), (4, 159863001), (6, 106575334), (12, 53287667), (31, 20627484), (62, 10313742), (93, 6875828), (124, 5156871), (181, 3532884), (186, 3437914), (362, 1766442), (372, 1718957), (543, 1177628), (724, 883221), (1086, 588814), (2172, 294407), (5611, 113964), (9497, 67332), (11222, 56982), (16833, 37988), (18994, 33666), (22444, 28491)]