68604016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5407}}^1$

素因数の和:5489

約数の個数: 40

約数和(自身を含む): 145518464

約数和(自身を除く): 76914448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 5407, 6344, 10814, 12688, 21628, 43256, 70291, 86512, 140582, 281164, 329827, 562328, 659654, 1124656, 1319308, 2638616, 4287751, 5277232, 8575502, 17151004, 34302008, 68604016]

約数ペア:

[(1, 68604016), (2, 34302008), (4, 17151004), (8, 8575502), (13, 5277232), (16, 4287751), (26, 2638616), (52, 1319308), (61, 1124656), (104, 659654), (122, 562328), (208, 329827), (244, 281164), (488, 140582), (793, 86512), (976, 70291), (1586, 43256), (3172, 21628), (5407, 12688), (6344, 10814)]