640146

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 1431360

約数和(自身を除く): 791214

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 283, 377, 566, 754, 849, 1131, 1698, 2262, 3679, 7358, 8207, 11037, 16414, 22074, 24621, 49242, 106691, 213382, 320073, 640146]

約数ペア:

[(1, 640146), (2, 320073), (3, 213382), (6, 106691), (13, 49242), (26, 24621), (29, 22074), (39, 16414), (58, 11037), (78, 8207), (87, 7358), (174, 3679), (283, 2262), (377, 1698), (566, 1131), (754, 849)]