2820821796

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1213}}^1\times {\mathrm{4969}}^1$

素因数の和:6205

約数の個数: 72

約数和(自身を含む): 7686780920

約数和(自身を除く): 4865959124

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 1213, 2426, 3639, 4852, 4969, 7278, 9938, 10917, 14556, 14907, 15769, 19876, 21834, 29814, 31538, 43668, 44721, 47307, 59628, 63076, 64597, 89442, 94614, 129194, 141921, 178884, 189228, 193791, 258388, 283842, 387582, 567684, 581373, 775164, 1162746, 2325492, 6027397, 12054794, 18082191, 24109588, 36164382, 54246573, 72328764, 78356161, 108493146, 156712322, 216986292, 235068483, 313424644, 470136966, 705205449, 940273932, 1410410898, 2820821796]

約数ペア:

[(1, 2820821796), (2, 1410410898), (3, 940273932), (4, 705205449), (6, 470136966), (9, 313424644), (12, 235068483), (13, 216986292), (18, 156712322), (26, 108493146), (36, 78356161), (39, 72328764), (52, 54246573), (78, 36164382), (117, 24109588), (156, 18082191), (234, 12054794), (468, 6027397), (1213, 2325492), (2426, 1162746), (3639, 775164), (4852, 581373), (4969, 567684), (7278, 387582), (9938, 283842), (10917, 258388), (14556, 193791), (14907, 189228), (15769, 178884), (19876, 141921), (21834, 129194), (29814, 94614), (31538, 89442), (43668, 64597), (44721, 63076), (47307, 59628)]