66921316

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12781}}^1$

素因数の和:12820

約数の個数: 48

約数和(自身を含む): 154611072

約数和(自身を除く): 87689756

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 5236, 12781, 25562, 51124, 89467, 140591, 178934, 217277, 281182, 357868, 434554, 562364, 869108, 984137, 1520939, 1968274, 2390047, 3041878, 3936548, 4780094, 6083756, 9560188, 16730329, 33460658, 66921316]

約数ペア:

[(1, 66921316), (2, 33460658), (4, 16730329), (7, 9560188), (11, 6083756), (14, 4780094), (17, 3936548), (22, 3041878), (28, 2390047), (34, 1968274), (44, 1520939), (68, 984137), (77, 869108), (119, 562364), (154, 434554), (187, 357868), (238, 281182), (308, 217277), (374, 178934), (476, 140591), (748, 89467), (1309, 51124), (2618, 25562), (5236, 12781)]