121721258

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 209361024

約数和(自身を除く): 87639766

約数列:

[1, 2, 17, 19, 34, 38, 47, 94, 211, 323, 361, 422, 646, 722, 799, 893, 1598, 1786, 3587, 4009, 6137, 7174, 8018, 9917, 12274, 15181, 16967, 19834, 30362, 33934, 68153, 76171, 136306, 152342, 168589, 188423, 288439, 337178, 376846, 576878, 1294907, 2589814, 3203191, 3580037, 6406382, 7160074, 60860629, 121721258]

約数ペア:

[(1, 121721258), (2, 60860629), (17, 7160074), (19, 6406382), (34, 3580037), (38, 3203191), (47, 2589814), (94, 1294907), (211, 576878), (323, 376846), (361, 337178), (422, 288439), (646, 188423), (722, 168589), (799, 152342), (893, 136306), (1598, 76171), (1786, 68153), (3587, 33934), (4009, 30362), (6137, 19834), (7174, 16967), (8018, 15181), (9917, 12274)]