131477986

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 213024960

約数和(自身を除く): 81546974

約数列:

[1, 2, 19, 38, 67, 113, 134, 226, 457, 914, 1273, 2147, 2546, 4294, 7571, 8683, 15142, 17366, 30619, 51641, 61238, 103282, 143849, 287698, 581761, 981179, 1163522, 1962358, 3459947, 6919894, 65738993, 131477986]

約数ペア:

[(1, 131477986), (2, 65738993), (19, 6919894), (38, 3459947), (67, 1962358), (113, 1163522), (134, 981179), (226, 581761), (457, 287698), (914, 143849), (1273, 103282), (2147, 61238), (2546, 51641), (4294, 30619), (7571, 17366), (8683, 15142)]