664124594

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1873}}^1$

素因数の和:1975

約数の個数: 64

約数和(自身を含む): 1266524160

約数和(自身を除く): 602399566

約数列:

[1, 2, 7, 14, 19, 31, 38, 43, 62, 86, 133, 217, 266, 301, 434, 589, 602, 817, 1178, 1333, 1634, 1873, 2666, 3746, 4123, 5719, 8246, 9331, 11438, 13111, 18662, 25327, 26222, 35587, 50654, 58063, 71174, 80539, 116126, 161078, 177289, 249109, 354578, 406441, 498218, 563773, 812882, 1103197, 1127546, 1530241, 2206394, 2496709, 3060482, 4993418, 7722379, 10711687, 15444758, 17476963, 21423374, 34953926, 47437471, 94874942, 332062297, 664124594]

約数ペア:

[(1, 664124594), (2, 332062297), (7, 94874942), (14, 47437471), (19, 34953926), (31, 21423374), (38, 17476963), (43, 15444758), (62, 10711687), (86, 7722379), (133, 4993418), (217, 3060482), (266, 2496709), (301, 2206394), (434, 1530241), (589, 1127546), (602, 1103197), (817, 812882), (1178, 563773), (1333, 498218), (1634, 406441), (1873, 354578), (2666, 249109), (3746, 177289), (4123, 161078), (5719, 116126), (8246, 80539), (9331, 71174), (11438, 58063), (13111, 50654), (18662, 35587), (25327, 26222)]