1640208544

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{303293}}^1$

素因数の和:303329

約数の個数: 36

約数和(自身を含む): 3496676526

約数和(自身を除く): 1856467982

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 5408, 303293, 606586, 1213172, 2426344, 3942809, 4852688, 7885618, 9705376, 15771236, 31542472, 51256517, 63084944, 102513034, 126169888, 205026068, 410052136, 820104272, 1640208544]

約数ペア:

[(1, 1640208544), (2, 820104272), (4, 410052136), (8, 205026068), (13, 126169888), (16, 102513034), (26, 63084944), (32, 51256517), (52, 31542472), (104, 15771236), (169, 9705376), (208, 7885618), (338, 4852688), (416, 3942809), (676, 2426344), (1352, 1213172), (2704, 606586), (5408, 303293)]