639941928

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{16229}}^1$

素因数の和:16322

約数の個数: 64

約数和(自身を含む): 1682726400

約数和(自身を除く): 1042784472

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 53, 62, 93, 106, 124, 159, 186, 212, 248, 318, 372, 424, 636, 744, 1272, 1643, 3286, 4929, 6572, 9858, 13144, 16229, 19716, 32458, 39432, 48687, 64916, 97374, 129832, 194748, 389496, 503099, 860137, 1006198, 1509297, 1720274, 2012396, 2580411, 3018594, 3440548, 4024792, 5160822, 6037188, 6881096, 10321644, 12074376, 20643288, 26664247, 53328494, 79992741, 106656988, 159985482, 213313976, 319970964, 639941928]

約数ペア:

[(1, 639941928), (2, 319970964), (3, 213313976), (4, 159985482), (6, 106656988), (8, 79992741), (12, 53328494), (24, 26664247), (31, 20643288), (53, 12074376), (62, 10321644), (93, 6881096), (106, 6037188), (124, 5160822), (159, 4024792), (186, 3440548), (212, 3018594), (248, 2580411), (318, 2012396), (372, 1720274), (424, 1509297), (636, 1006198), (744, 860137), (1272, 503099), (1643, 389496), (3286, 194748), (4929, 129832), (6572, 97374), (9858, 64916), (13144, 48687), (16229, 39432), (19716, 32458)]