257737610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 513257472

約数和(自身を除く): 255519862

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 127, 130, 134, 233, 254, 335, 466, 635, 670, 871, 1165, 1270, 1651, 1742, 2330, 3029, 3302, 4355, 6058, 8255, 8509, 8710, 15145, 15611, 16510, 17018, 29591, 30290, 31222, 42545, 59182, 78055, 85090, 110617, 147955, 156110, 202943, 221234, 295910, 384683, 405886, 553085, 769366, 1014715, 1106170, 1923415, 1982597, 2029430, 3846830, 3965194, 9912985, 19825970, 25773761, 51547522, 128868805, 257737610]

約数ペア:

[(1, 257737610), (2, 128868805), (5, 51547522), (10, 25773761), (13, 19825970), (26, 9912985), (65, 3965194), (67, 3846830), (127, 2029430), (130, 1982597), (134, 1923415), (233, 1106170), (254, 1014715), (335, 769366), (466, 553085), (635, 405886), (670, 384683), (871, 295910), (1165, 221234), (1270, 202943), (1651, 156110), (1742, 147955), (2330, 110617), (3029, 85090), (3302, 78055), (4355, 59182), (6058, 42545), (8255, 31222), (8509, 30290), (8710, 29591), (15145, 17018), (15611, 16510)]