1720403804

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{541}}^1\times {\mathrm{829}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 3476518080

約数和(自身を除く): 1756114276

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 541, 548, 829, 959, 1082, 1658, 1918, 2164, 3316, 3787, 3836, 5803, 7574, 11606, 15148, 23212, 74117, 113573, 148234, 227146, 296468, 448489, 454292, 518819, 795011, 896978, 1037638, 1590022, 1793956, 2075276, 3139423, 3180044, 6278846, 12557692, 61442993, 122885986, 245771972, 430100951, 860201902, 1720403804]

約数ペア:

[(1, 1720403804), (2, 860201902), (4, 430100951), (7, 245771972), (14, 122885986), (28, 61442993), (137, 12557692), (274, 6278846), (541, 3180044), (548, 3139423), (829, 2075276), (959, 1793956), (1082, 1590022), (1658, 1037638), (1918, 896978), (2164, 795011), (3316, 518819), (3787, 454292), (3836, 448489), (5803, 296468), (7574, 227146), (11606, 148234), (15148, 113573), (23212, 74117)]