64543856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5087}}^1$

素因数の和:5169

約数の個数: 40

約数和(自身を含む): 136907904

約数和(自身を除く): 72364048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 5087, 6344, 10174, 12688, 20348, 40696, 66131, 81392, 132262, 264524, 310307, 529048, 620614, 1058096, 1241228, 2482456, 4033991, 4964912, 8067982, 16135964, 32271928, 64543856]

約数ペア:

[(1, 64543856), (2, 32271928), (4, 16135964), (8, 8067982), (13, 4964912), (16, 4033991), (26, 2482456), (52, 1241228), (61, 1058096), (104, 620614), (122, 529048), (208, 310307), (244, 264524), (488, 132262), (793, 81392), (976, 66131), (1586, 40696), (3172, 20348), (5087, 12688), (6344, 10174)]