66615745

素因数分解:

$5^1\times 7^4\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:243

約数の個数: 40

約数和(自身を含む): 96802560

約数和(自身を除く): 30186815

約数列:

[1, 5, 7, 31, 35, 49, 155, 179, 217, 245, 343, 895, 1085, 1253, 1519, 1715, 2401, 5549, 6265, 7595, 8771, 10633, 12005, 27745, 38843, 43855, 53165, 61397, 74431, 194215, 271901, 306985, 372155, 429779, 1359505, 1903307, 2148895, 9516535, 13323149, 66615745]

約数ペア:

[(1, 66615745), (5, 13323149), (7, 9516535), (31, 2148895), (35, 1903307), (49, 1359505), (155, 429779), (179, 372155), (217, 306985), (245, 271901), (343, 194215), (895, 74431), (1085, 61397), (1253, 53165), (1519, 43855), (1715, 38843), (2401, 27745), (5549, 12005), (6265, 10633), (7595, 8771)]