681737518

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1543}}^1$

素因数の和:1733

約数の個数: 64

約数和(自身を含む): 1351802880

約数和(自身を除く): 670065362

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 151, 154, 209, 266, 302, 418, 1057, 1463, 1543, 1661, 2114, 2869, 2926, 3086, 3322, 5738, 10801, 11627, 16973, 20083, 21602, 23254, 29317, 31559, 33946, 40166, 58634, 63118, 118811, 205219, 220913, 232993, 237622, 322487, 410438, 441826, 465986, 644974, 1630951, 2257409, 2562923, 3261902, 4426867, 4514818, 5125846, 8853734, 17940461, 30988069, 35880922, 48695537, 61976138, 97391074, 340868759, 681737518]

約数ペア:

[(1, 681737518), (2, 340868759), (7, 97391074), (11, 61976138), (14, 48695537), (19, 35880922), (22, 30988069), (38, 17940461), (77, 8853734), (133, 5125846), (151, 4514818), (154, 4426867), (209, 3261902), (266, 2562923), (302, 2257409), (418, 1630951), (1057, 644974), (1463, 465986), (1543, 441826), (1661, 410438), (2114, 322487), (2869, 237622), (2926, 232993), (3086, 220913), (3322, 205219), (5738, 118811), (10801, 63118), (11627, 58634), (16973, 40166), (20083, 33946), (21602, 31559), (23254, 29317)]