7319390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 14704416

約数和(自身を除く): 7385026

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 71, 122, 130, 142, 169, 305, 338, 355, 610, 710, 793, 845, 923, 1586, 1690, 1846, 3965, 4331, 4615, 7930, 8662, 9230, 10309, 11999, 20618, 21655, 23998, 43310, 51545, 56303, 59995, 103090, 112606, 119990, 281515, 563030, 731939, 1463878, 3659695, 7319390]

約数ペア:

[(1, 7319390), (2, 3659695), (5, 1463878), (10, 731939), (13, 563030), (26, 281515), (61, 119990), (65, 112606), (71, 103090), (122, 59995), (130, 56303), (142, 51545), (169, 43310), (305, 23998), (338, 21655), (355, 20618), (610, 11999), (710, 10309), (793, 9230), (845, 8662), (923, 7930), (1586, 4615), (1690, 4331), (1846, 3965)]