81291238

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1931}}^1$

素因数の和:2068

約数の個数: 32

約数和(自身を含む): 145410048

約数和(自身を除く): 64118810

約数列:

[1, 2, 7, 14, 31, 62, 97, 194, 217, 434, 679, 1358, 1931, 3007, 3862, 6014, 13517, 21049, 27034, 42098, 59861, 119722, 187307, 374614, 419027, 838054, 1311149, 2622298, 5806517, 11613034, 40645619, 81291238]

約数ペア:

[(1, 81291238), (2, 40645619), (7, 11613034), (14, 5806517), (31, 2622298), (62, 1311149), (97, 838054), (194, 419027), (217, 374614), (434, 187307), (679, 119722), (1358, 59861), (1931, 42098), (3007, 27034), (3862, 21049), (6014, 13517)]