80866436

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{631}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 169881600

約数和(自身を除く): 89015164

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 199, 322, 398, 631, 644, 796, 1262, 1393, 2524, 2786, 4417, 4577, 5572, 8834, 9154, 14513, 17668, 18308, 29026, 32039, 58052, 64078, 101591, 125569, 128156, 203182, 251138, 406364, 502276, 878983, 1757966, 2888087, 3515932, 5776174, 11552348, 20216609, 40433218, 80866436]

約数ペア:

[(1, 80866436), (2, 40433218), (4, 20216609), (7, 11552348), (14, 5776174), (23, 3515932), (28, 2888087), (46, 1757966), (92, 878983), (161, 502276), (199, 406364), (322, 251138), (398, 203182), (631, 128156), (644, 125569), (796, 101591), (1262, 64078), (1393, 58052), (2524, 32039), (2786, 29026), (4417, 18308), (4577, 17668), (5572, 14513), (8834, 9154)]