690091958

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 1078376160

約数和(自身を除く): 388284202

約数列:

[1, 2, 37, 74, 193, 211, 229, 386, 422, 458, 7141, 7807, 8473, 14282, 15614, 16946, 40723, 44197, 48319, 81446, 88394, 96638, 1506751, 1635289, 1787803, 3013502, 3270578, 3575606, 9325567, 18651134, 345045979, 690091958]

約数ペア:

[(1, 690091958), (2, 345045979), (37, 18651134), (74, 9325567), (193, 3575606), (211, 3270578), (229, 3013502), (386, 1787803), (422, 1635289), (458, 1506751), (7141, 96638), (7807, 88394), (8473, 81446), (14282, 48319), (15614, 44197), (16946, 40723)]