81233278

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:617

約数の個数: 48

約数和(自身を含む): 149246064

約数和(自身を除く): 68012786

約数列:

[1, 2, 7, 14, 37, 43, 49, 74, 86, 98, 259, 301, 518, 521, 602, 1042, 1591, 1813, 2107, 3182, 3626, 3647, 4214, 7294, 11137, 19277, 22274, 22403, 25529, 38554, 44806, 51058, 77959, 134939, 155918, 156821, 269878, 313642, 828911, 944573, 1097747, 1657822, 1889146, 2195494, 5802377, 11604754, 40616639, 81233278]

約数ペア:

[(1, 81233278), (2, 40616639), (7, 11604754), (14, 5802377), (37, 2195494), (43, 1889146), (49, 1657822), (74, 1097747), (86, 944573), (98, 828911), (259, 313642), (301, 269878), (518, 156821), (521, 155918), (602, 134939), (1042, 77959), (1591, 51058), (1813, 44806), (2107, 38554), (3182, 25529), (3626, 22403), (3647, 22274), (4214, 19277), (7294, 11137)]