1223881295

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2113}}^1$

素因数の和:2224

約数の個数: 64

約数和(自身を含む): 1932026880

約数和(自身を除く): 708145585

約数列:

[1, 5, 7, 13, 19, 35, 65, 67, 91, 95, 133, 247, 335, 455, 469, 665, 871, 1235, 1273, 1729, 2113, 2345, 4355, 6097, 6365, 8645, 8911, 10565, 14791, 16549, 27469, 30485, 40147, 44555, 73955, 82745, 115843, 137345, 141571, 192283, 200735, 281029, 521911, 579215, 707855, 961415, 990997, 1405145, 1840423, 2609555, 2689849, 3653377, 4954985, 9202115, 12882961, 13449245, 18266885, 18828943, 34968037, 64414805, 94144715, 174840185, 244776259, 1223881295]

約数ペア:

[(1, 1223881295), (5, 244776259), (7, 174840185), (13, 94144715), (19, 64414805), (35, 34968037), (65, 18828943), (67, 18266885), (91, 13449245), (95, 12882961), (133, 9202115), (247, 4954985), (335, 3653377), (455, 2689849), (469, 2609555), (665, 1840423), (871, 1405145), (1235, 990997), (1273, 961415), (1729, 707855), (2113, 579215), (2345, 521911), (4355, 281029), (6097, 200735), (6365, 192283), (8645, 141571), (8911, 137345), (10565, 115843), (14791, 82745), (16549, 73955), (27469, 44555), (30485, 40147)]