261601634

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 481766400

約数和(自身を除く): 220164766

約数列:

[1, 2, 7, 14, 29, 58, 59, 67, 118, 134, 163, 203, 326, 406, 413, 469, 826, 938, 1141, 1711, 1943, 2282, 3422, 3886, 3953, 4727, 7906, 9454, 9617, 10921, 11977, 13601, 19234, 21842, 23954, 27202, 27671, 33089, 55342, 66178, 67319, 76447, 114637, 134638, 152894, 229274, 278893, 316709, 557786, 633418, 644339, 802459, 1288678, 1604918, 1952251, 2216963, 3904502, 4433926, 4510373, 9020746, 18685831, 37371662, 130800817, 261601634]

約数ペア:

[(1, 261601634), (2, 130800817), (7, 37371662), (14, 18685831), (29, 9020746), (58, 4510373), (59, 4433926), (67, 3904502), (118, 2216963), (134, 1952251), (163, 1604918), (203, 1288678), (326, 802459), (406, 644339), (413, 633418), (469, 557786), (826, 316709), (938, 278893), (1141, 229274), (1711, 152894), (1943, 134638), (2282, 114637), (3422, 76447), (3886, 67319), (3953, 66178), (4727, 55342), (7906, 33089), (9454, 27671), (9617, 27202), (10921, 23954), (11977, 21842), (13601, 19234)]