42940828

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 90216448

約数和(自身を除く): 47275620

約数列:

[1, 2, 4, 7, 14, 28, 31, 61, 62, 122, 124, 217, 244, 427, 434, 811, 854, 868, 1622, 1708, 1891, 3244, 3782, 5677, 7564, 11354, 13237, 22708, 25141, 26474, 49471, 50282, 52948, 98942, 100564, 175987, 197884, 346297, 351974, 692594, 703948, 1385188, 1533601, 3067202, 6134404, 10735207, 21470414, 42940828]

約数ペア:

[(1, 42940828), (2, 21470414), (4, 10735207), (7, 6134404), (14, 3067202), (28, 1533601), (31, 1385188), (61, 703948), (62, 692594), (122, 351974), (124, 346297), (217, 197884), (244, 175987), (427, 100564), (434, 98942), (811, 52948), (854, 50282), (868, 49471), (1622, 26474), (1708, 25141), (1891, 22708), (3244, 13237), (3782, 11354), (5677, 7564)]