81276184

素因数分解:

$2^3\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 177876000

約数和(自身を除く): 96599816

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 121, 136, 187, 242, 374, 449, 484, 748, 898, 968, 1331, 1496, 1796, 2057, 2662, 3592, 4114, 4939, 5324, 7633, 8228, 9878, 10648, 15266, 16456, 19756, 22627, 30532, 39512, 45254, 54329, 61064, 83963, 90508, 108658, 167926, 181016, 217316, 335852, 434632, 597619, 671704, 923593, 1195238, 1847186, 2390476, 3694372, 4780952, 7388744, 10159523, 20319046, 40638092, 81276184]

約数ペア:

[(1, 81276184), (2, 40638092), (4, 20319046), (8, 10159523), (11, 7388744), (17, 4780952), (22, 3694372), (34, 2390476), (44, 1847186), (68, 1195238), (88, 923593), (121, 671704), (136, 597619), (187, 434632), (242, 335852), (374, 217316), (449, 181016), (484, 167926), (748, 108658), (898, 90508), (968, 83963), (1331, 61064), (1496, 54329), (1796, 45254), (2057, 39512), (2662, 30532), (3592, 22627), (4114, 19756), (4939, 16456), (5324, 15266), (7633, 10648), (8228, 9878)]