23128668

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 60988928

約数和(自身を除く): 37860260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 67, 86, 129, 134, 172, 201, 223, 258, 268, 387, 402, 446, 516, 603, 669, 774, 804, 892, 1206, 1338, 1548, 2007, 2412, 2676, 2881, 4014, 5762, 8028, 8643, 9589, 11524, 14941, 17286, 19178, 25929, 28767, 29882, 34572, 38356, 44823, 51858, 57534, 59764, 86301, 89646, 103716, 115068, 134469, 172602, 179292, 268938, 345204, 537876, 642463, 1284926, 1927389, 2569852, 3854778, 5782167, 7709556, 11564334, 23128668]

約数ペア:

[(1, 23128668), (2, 11564334), (3, 7709556), (4, 5782167), (6, 3854778), (9, 2569852), (12, 1927389), (18, 1284926), (36, 642463), (43, 537876), (67, 345204), (86, 268938), (129, 179292), (134, 172602), (172, 134469), (201, 115068), (223, 103716), (258, 89646), (268, 86301), (387, 59764), (402, 57534), (446, 51858), (516, 44823), (603, 38356), (669, 34572), (774, 29882), (804, 28767), (892, 25929), (1206, 19178), (1338, 17286), (1548, 14941), (2007, 11524), (2412, 9589), (2676, 8643), (2881, 8028), (4014, 5762)]