257665996819

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{67933}}^1$

素因数の和:68216

約数の個数: 48

約数和(自身を含む): 339022181376

約数和(自身を除く): 81356184557

約数列:

[1, 7, 11, 31, 49, 77, 217, 227, 341, 539, 1519, 1589, 2387, 2497, 7037, 11123, 16709, 17479, 49259, 67933, 77407, 122353, 344813, 475531, 541849, 747263, 2105923, 3328717, 3792943, 5230841, 14741461, 15420791, 23165153, 36615887, 103190227, 107945537, 162156071, 169628701, 478044521, 755618759, 1135092497, 1187400907, 3346311647, 5258489731, 8311806349, 23424181529, 36809428117, 257665996819]

約数ペア:

[(1, 257665996819), (7, 36809428117), (11, 23424181529), (31, 8311806349), (49, 5258489731), (77, 3346311647), (217, 1187400907), (227, 1135092497), (341, 755618759), (539, 478044521), (1519, 169628701), (1589, 162156071), (2387, 107945537), (2497, 103190227), (7037, 36615887), (11123, 23165153), (16709, 15420791), (17479, 14741461), (49259, 5230841), (67933, 3792943), (77407, 3328717), (122353, 2105923), (344813, 747263), (475531, 541849)]