81937188

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1291}}^1$

素因数の和:1385

約数の個数: 72

約数和(自身を含む): 217273056

約数和(自身を除く): 135335868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 43, 82, 86, 123, 129, 164, 172, 246, 258, 369, 387, 492, 516, 738, 774, 1291, 1476, 1548, 1763, 2582, 3526, 3873, 5164, 5289, 7052, 7746, 10578, 11619, 15492, 15867, 21156, 23238, 31734, 46476, 52931, 55513, 63468, 105862, 111026, 158793, 166539, 211724, 222052, 317586, 333078, 476379, 499617, 635172, 666156, 952758, 999234, 1905516, 1998468, 2276033, 4552066, 6828099, 9104132, 13656198, 20484297, 27312396, 40968594, 81937188]

約数ペア:

[(1, 81937188), (2, 40968594), (3, 27312396), (4, 20484297), (6, 13656198), (9, 9104132), (12, 6828099), (18, 4552066), (36, 2276033), (41, 1998468), (43, 1905516), (82, 999234), (86, 952758), (123, 666156), (129, 635172), (164, 499617), (172, 476379), (246, 333078), (258, 317586), (369, 222052), (387, 211724), (492, 166539), (516, 158793), (738, 111026), (774, 105862), (1291, 63468), (1476, 55513), (1548, 52931), (1763, 46476), (2582, 31734), (3526, 23238), (3873, 21156), (5164, 15867), (5289, 15492), (7052, 11619), (7746, 10578)]