2016705665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1087}}^1$

素因数の和:1218

約数の個数: 64

約数和(自身を含む): 2921619456

約数和(自身を除く): 904913791

約数列:

[1, 5, 13, 17, 23, 65, 73, 85, 115, 221, 299, 365, 391, 949, 1087, 1105, 1241, 1495, 1679, 1955, 4745, 5083, 5435, 6205, 8395, 14131, 16133, 18479, 21827, 25001, 25415, 28543, 70655, 79351, 80665, 92395, 109135, 125005, 142715, 240227, 325013, 371059, 396755, 425017, 1031563, 1201135, 1348967, 1625065, 1825073, 1855295, 2125085, 5157815, 5525221, 6744835, 9125365, 17536571, 23725949, 27626105, 31026241, 87682855, 118629745, 155131205, 403341133, 2016705665]

約数ペア:

[(1, 2016705665), (5, 403341133), (13, 155131205), (17, 118629745), (23, 87682855), (65, 31026241), (73, 27626105), (85, 23725949), (115, 17536571), (221, 9125365), (299, 6744835), (365, 5525221), (391, 5157815), (949, 2125085), (1087, 1855295), (1105, 1825073), (1241, 1625065), (1495, 1348967), (1679, 1201135), (1955, 1031563), (4745, 425017), (5083, 396755), (5435, 371059), (6205, 325013), (8395, 240227), (14131, 142715), (16133, 125005), (18479, 109135), (21827, 92395), (25001, 80665), (25415, 79351), (28543, 70655)]