258668878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{719}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 425658240

約数和(自身を除く): 166989362

約数列:

[1, 2, 13, 26, 101, 137, 202, 274, 719, 1313, 1438, 1781, 2626, 3562, 9347, 13837, 18694, 27674, 72619, 98503, 145238, 179881, 197006, 359762, 944047, 1280539, 1888094, 2561078, 9948803, 19897606, 129334439, 258668878]

約数ペア:

[(1, 258668878), (2, 129334439), (13, 19897606), (26, 9948803), (101, 2561078), (137, 1888094), (202, 1280539), (274, 944047), (719, 359762), (1313, 197006), (1438, 179881), (1781, 145238), (2626, 98503), (3562, 72619), (9347, 27674), (13837, 18694)]