1289783936

素因数分解:

$2^7\times 7^1\times {\mathrm{571}}^1\times {\mathrm{2521}}^1$

素因数の和:3113

約数の個数: 64

約数和(自身を含む): 2942871360

約数和(自身を除く): 1653087424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 571, 896, 1142, 2284, 2521, 3997, 4568, 5042, 7994, 9136, 10084, 15988, 17647, 18272, 20168, 31976, 35294, 36544, 40336, 63952, 70588, 73088, 80672, 127904, 141176, 161344, 255808, 282352, 322688, 511616, 564704, 1129408, 1439491, 2258816, 2878982, 5757964, 10076437, 11515928, 20152874, 23031856, 40305748, 46063712, 80611496, 92127424, 161222992, 184254848, 322445984, 644891968, 1289783936]

約数ペア:

[(1, 1289783936), (2, 644891968), (4, 322445984), (7, 184254848), (8, 161222992), (14, 92127424), (16, 80611496), (28, 46063712), (32, 40305748), (56, 23031856), (64, 20152874), (112, 11515928), (128, 10076437), (224, 5757964), (448, 2878982), (571, 2258816), (896, 1439491), (1142, 1129408), (2284, 564704), (2521, 511616), (3997, 322688), (4568, 282352), (5042, 255808), (7994, 161344), (9136, 141176), (10084, 127904), (15988, 80672), (17647, 73088), (18272, 70588), (20168, 63952), (31976, 40336), (35294, 36544)]