259484876

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1697}}^1$

素因数の和:1878

約数の個数: 48

約数和(自身を含む): 535535616

約数和(自身を除く): 276050740

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 127, 172, 254, 301, 508, 602, 889, 1204, 1697, 1778, 3394, 3556, 5461, 6788, 10922, 11879, 21844, 23758, 38227, 47516, 72971, 76454, 145942, 152908, 215519, 291884, 431038, 510797, 862076, 1021594, 1508633, 2043188, 3017266, 6034532, 9267317, 18534634, 37069268, 64871219, 129742438, 259484876]

約数ペア:

[(1, 259484876), (2, 129742438), (4, 64871219), (7, 37069268), (14, 18534634), (28, 9267317), (43, 6034532), (86, 3017266), (127, 2043188), (172, 1508633), (254, 1021594), (301, 862076), (508, 510797), (602, 431038), (889, 291884), (1204, 215519), (1697, 152908), (1778, 145942), (3394, 76454), (3556, 72971), (5461, 47516), (6788, 38227), (10922, 23758), (11879, 21844)]