25137838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 45042480

約数和(自身を除く): 19904642

約数列:

[1, 2, 11, 22, 29, 31, 41, 58, 62, 82, 319, 341, 451, 638, 682, 899, 902, 961, 1189, 1271, 1798, 1922, 2378, 2542, 9889, 10571, 13079, 13981, 19778, 21142, 26158, 27869, 27962, 36859, 39401, 55738, 73718, 78802, 306559, 405449, 433411, 613118, 810898, 866822, 1142629, 2285258, 12568919, 25137838]

約数ペア:

[(1, 25137838), (2, 12568919), (11, 2285258), (22, 1142629), (29, 866822), (31, 810898), (41, 613118), (58, 433411), (62, 405449), (82, 306559), (319, 78802), (341, 73718), (451, 55738), (638, 39401), (682, 36859), (899, 27962), (902, 27869), (961, 26158), (1189, 21142), (1271, 19778), (1798, 13981), (1922, 13079), (2378, 10571), (2542, 9889)]