68391736

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{20021}}^1$

素因数の和:20095

約数の個数: 32

約数和(自身を含む): 148963680

約数和(自身を除く): 80571944

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 20021, 40042, 80084, 140147, 160168, 280294, 560588, 1121176, 1221281, 2442562, 4885124, 8548967, 9770248, 17097934, 34195868, 68391736]

約数ペア:

[(1, 68391736), (2, 34195868), (4, 17097934), (7, 9770248), (8, 8548967), (14, 4885124), (28, 2442562), (56, 1221281), (61, 1121176), (122, 560588), (244, 280294), (427, 160168), (488, 140147), (854, 80084), (1708, 40042), (3416, 20021)]