64771416

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{20921}}^1$

素因数の和:20976

約数の個数: 48

約数和(自身を含む): 179510760

約数和(自身を除く): 114739344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 20921, 41842, 62763, 83684, 125526, 167368, 188289, 251052, 376578, 502104, 753156, 899603, 1506312, 1799206, 2698809, 3598412, 5397618, 7196824, 8096427, 10795236, 16192854, 21590472, 32385708, 64771416]

約数ペア:

[(1, 64771416), (2, 32385708), (3, 21590472), (4, 16192854), (6, 10795236), (8, 8096427), (9, 7196824), (12, 5397618), (18, 3598412), (24, 2698809), (36, 1799206), (43, 1506312), (72, 899603), (86, 753156), (129, 502104), (172, 376578), (258, 251052), (344, 188289), (387, 167368), (516, 125526), (774, 83684), (1032, 62763), (1548, 41842), (3096, 20921)]