156511985

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{569}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 223257600

約数和(自身を除く): 66745615

約数列:

[1, 5, 7, 29, 35, 145, 203, 271, 569, 1015, 1355, 1897, 2845, 3983, 7859, 9485, 16501, 19915, 39295, 55013, 82505, 115507, 154199, 275065, 577535, 770995, 1079393, 4471771, 5396965, 22358855, 31302397, 156511985]

約数ペア:

[(1, 156511985), (5, 31302397), (7, 22358855), (29, 5396965), (35, 4471771), (145, 1079393), (203, 770995), (271, 577535), (569, 275065), (1015, 154199), (1355, 115507), (1897, 82505), (2845, 55013), (3983, 39295), (7859, 19915), (9485, 16501)]