142718978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 248168448

約数和(自身を除く): 105449470

約数列:

[1, 2, 17, 31, 34, 43, 47, 62, 67, 86, 94, 134, 527, 731, 799, 1054, 1139, 1333, 1457, 1462, 1598, 2021, 2077, 2278, 2666, 2881, 2914, 3149, 4042, 4154, 5762, 6298, 22661, 24769, 34357, 35309, 45322, 48977, 49538, 53533, 62651, 68714, 70618, 89311, 97619, 97954, 107066, 125302, 135407, 178622, 195238, 270814, 1065067, 1518287, 1659523, 2130134, 2301919, 3036574, 3319046, 4197617, 4603838, 8395234, 71359489, 142718978]

約数ペア:

[(1, 142718978), (2, 71359489), (17, 8395234), (31, 4603838), (34, 4197617), (43, 3319046), (47, 3036574), (62, 2301919), (67, 2130134), (86, 1659523), (94, 1518287), (134, 1065067), (527, 270814), (731, 195238), (799, 178622), (1054, 135407), (1139, 125302), (1333, 107066), (1457, 97954), (1462, 97619), (1598, 89311), (2021, 70618), (2077, 68714), (2278, 62651), (2666, 53533), (2881, 49538), (2914, 48977), (3149, 45322), (4042, 35309), (4154, 34357), (5762, 24769), (6298, 22661)]