988793428

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 2060795520

約数和(自身を除く): 1072002092

約数列:

[1, 2, 4, 7, 14, 28, 43, 71, 86, 142, 172, 269, 284, 301, 497, 538, 602, 994, 1076, 1204, 1849, 1883, 1988, 3053, 3698, 3766, 6106, 7396, 7532, 11567, 12212, 12943, 19099, 21371, 23134, 25886, 38198, 42742, 46268, 51772, 76396, 80969, 85484, 131279, 133693, 161938, 262558, 267386, 323876, 497381, 525116, 534772, 821257, 918953, 994762, 1642514, 1837906, 1989524, 3285028, 3481667, 3675812, 5748799, 6963334, 11497598, 13926668, 22995196, 35314051, 70628102, 141256204, 247198357, 494396714, 988793428]

約数ペア:

[(1, 988793428), (2, 494396714), (4, 247198357), (7, 141256204), (14, 70628102), (28, 35314051), (43, 22995196), (71, 13926668), (86, 11497598), (142, 6963334), (172, 5748799), (269, 3675812), (284, 3481667), (301, 3285028), (497, 1989524), (538, 1837906), (602, 1642514), (994, 994762), (1076, 918953), (1204, 821257), (1849, 534772), (1883, 525116), (1988, 497381), (3053, 323876), (3698, 267386), (3766, 262558), (6106, 161938), (7396, 133693), (7532, 131279), (11567, 85484), (12212, 80969), (12943, 76396), (19099, 51772), (21371, 46268), (23134, 42742), (25886, 38198)]