25399998

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 64864800

約数和(自身を除く): 39464802

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 29, 38, 39, 57, 58, 78, 87, 114, 117, 171, 174, 197, 234, 247, 261, 342, 377, 394, 494, 522, 551, 591, 741, 754, 1102, 1131, 1182, 1482, 1653, 1773, 2223, 2262, 2561, 3306, 3393, 3546, 3743, 4446, 4959, 5122, 5713, 6786, 7163, 7486, 7683, 9918, 11229, 11426, 14326, 15366, 17139, 21489, 22458, 23049, 33687, 34278, 42978, 46098, 48659, 51417, 64467, 67374, 74269, 97318, 102834, 108547, 128934, 145977, 148538, 217094, 222807, 291954, 325641, 437931, 445614, 651282, 668421, 875862, 976923, 1336842, 1411111, 1953846, 2822222, 4233333, 8466666, 12699999, 25399998]

約数ペア:

[(1, 25399998), (2, 12699999), (3, 8466666), (6, 4233333), (9, 2822222), (13, 1953846), (18, 1411111), (19, 1336842), (26, 976923), (29, 875862), (38, 668421), (39, 651282), (57, 445614), (58, 437931), (78, 325641), (87, 291954), (114, 222807), (117, 217094), (171, 148538), (174, 145977), (197, 128934), (234, 108547), (247, 102834), (261, 97318), (342, 74269), (377, 67374), (394, 64467), (494, 51417), (522, 48659), (551, 46098), (591, 42978), (741, 34278), (754, 33687), (1102, 23049), (1131, 22458), (1182, 21489), (1482, 17139), (1653, 15366), (1773, 14326), (2223, 11426), (2262, 11229), (2561, 9918), (3306, 7683), (3393, 7486), (3546, 7163), (3743, 6786), (4446, 5713), (4959, 5122)]