328020008

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{12659}}^1$

素因数の和:12785

約数の個数: 32

約数和(自身を含む): 638064000

約数和(自身を除く): 310043992

約数列:

[1, 2, 4, 8, 41, 79, 82, 158, 164, 316, 328, 632, 3239, 6478, 12659, 12956, 25318, 25912, 50636, 101272, 519019, 1000061, 1038038, 2000122, 2076076, 4000244, 4152152, 8000488, 41002501, 82005002, 164010004, 328020008]

約数ペア:

[(1, 328020008), (2, 164010004), (4, 82005002), (8, 41002501), (41, 8000488), (79, 4152152), (82, 4000244), (158, 2076076), (164, 2000122), (316, 1038038), (328, 1000061), (632, 519019), (3239, 101272), (6478, 50636), (12659, 25912), (12956, 25318)]