81878778

素因数分解:

$2^1\times 3^2\times {\mathrm{149}}^1\times {\mathrm{30529}}^1$

素因数の和:30686

約数の個数: 24

約数和(自身を含む): 178600500

約数和(自身を除く): 96721722

約数列:

[1, 2, 3, 6, 9, 18, 149, 298, 447, 894, 1341, 2682, 30529, 61058, 91587, 183174, 274761, 549522, 4548821, 9097642, 13646463, 27292926, 40939389, 81878778]

約数ペア:

[(1, 81878778), (2, 40939389), (3, 27292926), (6, 13646463), (9, 9097642), (18, 4548821), (149, 549522), (298, 274761), (447, 183174), (894, 91587), (1341, 61058), (2682, 30529)]