81965052

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4073}}^1$

素因数の和:4139

約数の個数: 72

約数和(自身を含む): 228372144

約数和(自身を除く): 146407092

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 4073, 5031, 6708, 8146, 10062, 12219, 16292, 20124, 24438, 36657, 48876, 52949, 73314, 105898, 146628, 158847, 175139, 211796, 317694, 350278, 476541, 525417, 635388, 700556, 953082, 1050834, 1576251, 1906164, 2101668, 2276807, 3152502, 4553614, 6305004, 6830421, 9107228, 13660842, 20491263, 27321684, 40982526, 81965052]

約数ペア:

[(1, 81965052), (2, 40982526), (3, 27321684), (4, 20491263), (6, 13660842), (9, 9107228), (12, 6830421), (13, 6305004), (18, 4553614), (26, 3152502), (36, 2276807), (39, 2101668), (43, 1906164), (52, 1576251), (78, 1050834), (86, 953082), (117, 700556), (129, 635388), (156, 525417), (172, 476541), (234, 350278), (258, 317694), (387, 211796), (468, 175139), (516, 158847), (559, 146628), (774, 105898), (1118, 73314), (1548, 52949), (1677, 48876), (2236, 36657), (3354, 24438), (4073, 20124), (5031, 16292), (6708, 12219), (8146, 10062)]