81080636

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7681}}^1$

素因数の和:7734

約数の個数: 48

約数和(自身を含む): 180680640

約数和(自身を除く): 99600004

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 182, 203, 364, 377, 406, 754, 812, 1508, 2639, 5278, 7681, 10556, 15362, 30724, 53767, 99853, 107534, 199706, 215068, 222749, 399412, 445498, 698971, 890996, 1397942, 1559243, 2795884, 2895737, 3118486, 5791474, 6236972, 11582948, 20270159, 40540318, 81080636]

約数ペア:

[(1, 81080636), (2, 40540318), (4, 20270159), (7, 11582948), (13, 6236972), (14, 5791474), (26, 3118486), (28, 2895737), (29, 2795884), (52, 1559243), (58, 1397942), (91, 890996), (116, 698971), (182, 445498), (203, 399412), (364, 222749), (377, 215068), (406, 199706), (754, 107534), (812, 99853), (1508, 53767), (2639, 30724), (5278, 15362), (7681, 10556)]