81026964

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3079}}^1$

素因数の和:3149

約数の個数: 72

約数和(自身を含む): 221981760

約数和(自身を除く): 140954796

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 43, 51, 68, 86, 102, 129, 153, 172, 204, 258, 306, 387, 516, 612, 731, 774, 1462, 1548, 2193, 2924, 3079, 4386, 6158, 6579, 8772, 9237, 12316, 13158, 18474, 26316, 27711, 36948, 52343, 55422, 104686, 110844, 132397, 157029, 209372, 264794, 314058, 397191, 471087, 529588, 628116, 794382, 942174, 1191573, 1588764, 1884348, 2250749, 2383146, 4501498, 4766292, 6752247, 9002996, 13504494, 20256741, 27008988, 40513482, 81026964]

約数ペア:

[(1, 81026964), (2, 40513482), (3, 27008988), (4, 20256741), (6, 13504494), (9, 9002996), (12, 6752247), (17, 4766292), (18, 4501498), (34, 2383146), (36, 2250749), (43, 1884348), (51, 1588764), (68, 1191573), (86, 942174), (102, 794382), (129, 628116), (153, 529588), (172, 471087), (204, 397191), (258, 314058), (306, 264794), (387, 209372), (516, 157029), (612, 132397), (731, 110844), (774, 104686), (1462, 55422), (1548, 52343), (2193, 36948), (2924, 27711), (3079, 26316), (4386, 18474), (6158, 13158), (6579, 12316), (8772, 9237)]