208780502

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{6311}}^1$

素因数の和:6476

約数の個数: 32

約数和(自身を含む): 381749760

約数和(自身を除く): 172969258

約数列:

[1, 2, 7, 14, 17, 34, 119, 139, 238, 278, 973, 1946, 2363, 4726, 6311, 12622, 16541, 33082, 44177, 88354, 107287, 214574, 751009, 877229, 1502018, 1754458, 6140603, 12281206, 14912893, 29825786, 104390251, 208780502]

約数ペア:

[(1, 208780502), (2, 104390251), (7, 29825786), (14, 14912893), (17, 12281206), (34, 6140603), (119, 1754458), (139, 1502018), (238, 877229), (278, 751009), (973, 214574), (1946, 107287), (2363, 88354), (4726, 44177), (6311, 33082), (12622, 16541)]