664491184

素因数分解:

$2^4\times 7^1\times {\mathrm{293}}^1\times {\mathrm{20249}}^1$

素因数の和:20557

約数の個数: 40

約数和(自身を含む): 1476468000

約数和(自身を除く): 811976816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 293, 586, 1172, 2051, 2344, 4102, 4688, 8204, 16408, 20249, 32816, 40498, 80996, 141743, 161992, 283486, 323984, 566972, 1133944, 2267888, 5932957, 11865914, 23731828, 41530699, 47463656, 83061398, 94927312, 166122796, 332245592, 664491184]

約数ペア:

[(1, 664491184), (2, 332245592), (4, 166122796), (7, 94927312), (8, 83061398), (14, 47463656), (16, 41530699), (28, 23731828), (56, 11865914), (112, 5932957), (293, 2267888), (586, 1133944), (1172, 566972), (2051, 323984), (2344, 283486), (4102, 161992), (4688, 141743), (8204, 80996), (16408, 40498), (20249, 32816)]