280147301

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{857}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 352864512

約数和(自身を除く): 72717211

約数列:

[1, 7, 17, 41, 67, 119, 287, 469, 697, 857, 1139, 2747, 4879, 5999, 7973, 14569, 19229, 35137, 46699, 57419, 101983, 245959, 326893, 401933, 597329, 976123, 2354179, 4181303, 6832861, 16479253, 40021043, 280147301]

約数ペア:

[(1, 280147301), (7, 40021043), (17, 16479253), (41, 6832861), (67, 4181303), (119, 2354179), (287, 976123), (469, 597329), (697, 401933), (857, 326893), (1139, 245959), (2747, 101983), (4879, 57419), (5999, 46699), (7973, 35137), (14569, 19229)]