284987185

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 414996480

約数和(自身を除く): 130009295

約数列:

[1, 5, 7, 31, 35, 49, 155, 157, 217, 239, 245, 785, 1085, 1099, 1195, 1519, 1673, 4867, 5495, 7409, 7595, 7693, 8365, 11711, 24335, 34069, 37045, 37523, 38465, 51863, 58555, 170345, 187615, 238483, 259315, 262661, 363041, 1163213, 1192415, 1313305, 1815205, 1838627, 5816065, 8142491, 9193135, 40712455, 56997437, 284987185]

約数ペア:

[(1, 284987185), (5, 56997437), (7, 40712455), (31, 9193135), (35, 8142491), (49, 5816065), (155, 1838627), (157, 1815205), (217, 1313305), (239, 1192415), (245, 1163213), (785, 363041), (1085, 262661), (1099, 259315), (1195, 238483), (1519, 187615), (1673, 170345), (4867, 58555), (5495, 51863), (7409, 38465), (7595, 37523), (7693, 37045), (8365, 34069), (11711, 24335)]