1330790718

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 2817607680

約数和(自身を除く): 1486816962

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 157, 239, 257, 314, 471, 478, 514, 717, 771, 942, 1434, 1542, 3611, 5497, 5911, 7222, 10833, 10994, 11822, 16491, 17733, 21666, 32982, 35466, 37523, 40349, 61423, 75046, 80698, 112569, 121047, 122846, 184269, 225138, 242094, 368538, 863029, 928027, 1412729, 1726058, 1856054, 2589087, 2784081, 2825458, 4238187, 5178174, 5568162, 8476374, 9643411, 19286822, 28930233, 57860466, 221798453, 443596906, 665395359, 1330790718]

約数ペア:

[(1, 1330790718), (2, 665395359), (3, 443596906), (6, 221798453), (23, 57860466), (46, 28930233), (69, 19286822), (138, 9643411), (157, 8476374), (239, 5568162), (257, 5178174), (314, 4238187), (471, 2825458), (478, 2784081), (514, 2589087), (717, 1856054), (771, 1726058), (942, 1412729), (1434, 928027), (1542, 863029), (3611, 368538), (5497, 242094), (5911, 225138), (7222, 184269), (10833, 122846), (10994, 121047), (11822, 112569), (16491, 80698), (17733, 75046), (21666, 61423), (32982, 40349), (35466, 37523)]