221510312

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{463}}^1\times {\mathrm{757}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 422054400

約数和(自身を除く): 200544088

約数列:

[1, 2, 4, 8, 79, 158, 316, 463, 632, 757, 926, 1514, 1852, 3028, 3704, 6056, 36577, 59803, 73154, 119606, 146308, 239212, 292616, 350491, 478424, 700982, 1401964, 2803928, 27688789, 55377578, 110755156, 221510312]

約数ペア:

[(1, 221510312), (2, 110755156), (4, 55377578), (8, 27688789), (79, 2803928), (158, 1401964), (316, 700982), (463, 478424), (632, 350491), (757, 292616), (926, 239212), (1514, 146308), (1852, 119606), (3028, 73154), (3704, 59803), (6056, 36577)]