256829615

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2927}}^1$

素因数の和:3071

約数の個数: 32

約数和(自身を含む): 371036160

約数和(自身を除く): 114206545

約数列:

[1, 5, 7, 23, 35, 109, 115, 161, 545, 763, 805, 2507, 2927, 3815, 12535, 14635, 17549, 20489, 67321, 87745, 102445, 319043, 336605, 471247, 1595215, 2233301, 2356235, 7337989, 11166505, 36689945, 51365923, 256829615]

約数ペア:

[(1, 256829615), (5, 51365923), (7, 36689945), (23, 11166505), (35, 7337989), (109, 2356235), (115, 2233301), (161, 1595215), (545, 471247), (763, 336605), (805, 319043), (2507, 102445), (2927, 87745), (3815, 67321), (12535, 20489), (14635, 17549)]