86639812

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 176964480

約数和(自身を除く): 90324668

約数列:

[1, 2, 4, 7, 14, 28, 113, 139, 197, 226, 278, 394, 452, 556, 788, 791, 973, 1379, 1582, 1946, 2758, 3164, 3892, 5516, 15707, 22261, 27383, 31414, 44522, 54766, 62828, 89044, 109532, 109949, 155827, 191681, 219898, 311654, 383362, 439796, 623308, 766724, 3094279, 6188558, 12377116, 21659953, 43319906, 86639812]

約数ペア:

[(1, 86639812), (2, 43319906), (4, 21659953), (7, 12377116), (14, 6188558), (28, 3094279), (113, 766724), (139, 623308), (197, 439796), (226, 383362), (278, 311654), (394, 219898), (452, 191681), (556, 155827), (788, 109949), (791, 109532), (973, 89044), (1379, 62828), (1582, 54766), (1946, 44522), (2758, 31414), (3164, 27383), (3892, 22261), (5516, 15707)]