81122846

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 151732224

約数和(自身を除く): 70609378

約数列:

[1, 2, 7, 14, 31, 41, 47, 62, 82, 94, 97, 194, 217, 287, 329, 434, 574, 658, 679, 1271, 1358, 1457, 1927, 2542, 2914, 3007, 3854, 3977, 4559, 6014, 7954, 8897, 9118, 10199, 13489, 17794, 20398, 21049, 26978, 27839, 31913, 42098, 55678, 59737, 63826, 119474, 123287, 141329, 186919, 246574, 282658, 373838, 418159, 836318, 863009, 989303, 1308433, 1726018, 1978606, 2616866, 5794489, 11588978, 40561423, 81122846]

約数ペア:

[(1, 81122846), (2, 40561423), (7, 11588978), (14, 5794489), (31, 2616866), (41, 1978606), (47, 1726018), (62, 1308433), (82, 989303), (94, 863009), (97, 836318), (194, 418159), (217, 373838), (287, 282658), (329, 246574), (434, 186919), (574, 141329), (658, 123287), (679, 119474), (1271, 63826), (1358, 59737), (1457, 55678), (1927, 42098), (2542, 31913), (2914, 27839), (3007, 26978), (3854, 21049), (3977, 20398), (4559, 17794), (6014, 13489), (7954, 10199), (8897, 9118)]