68961724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 138692736

約数和(自身を除く): 69731012

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 181, 221, 362, 431, 442, 724, 862, 884, 1724, 2353, 3077, 4706, 5603, 6154, 7327, 9412, 11206, 12308, 14654, 22412, 29308, 40001, 78011, 80002, 95251, 156022, 160004, 190502, 312044, 381004, 1014143, 1326187, 2028286, 2652374, 4056572, 5304748, 17240431, 34480862, 68961724]

約数ペア:

[(1, 68961724), (2, 34480862), (4, 17240431), (13, 5304748), (17, 4056572), (26, 2652374), (34, 2028286), (52, 1326187), (68, 1014143), (181, 381004), (221, 312044), (362, 190502), (431, 160004), (442, 156022), (724, 95251), (862, 80002), (884, 78011), (1724, 40001), (2353, 29308), (3077, 22412), (4706, 14654), (5603, 12308), (6154, 11206), (7327, 9412)]