1620007235

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1423}}^1\times {\mathrm{2957}}^1$

素因数の和:4403

約数の個数: 32

約数和(自身を含む): 2426222592

約数和(自身を除く): 806215357

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 1423, 2957, 7115, 9961, 14785, 15653, 20699, 32527, 49805, 78265, 103495, 109571, 162635, 227689, 547855, 1138445, 4207811, 21039055, 29454677, 46285921, 147273385, 231429605, 324001447, 1620007235]

約数ペア:

[(1, 1620007235), (5, 324001447), (7, 231429605), (11, 147273385), (35, 46285921), (55, 29454677), (77, 21039055), (385, 4207811), (1423, 1138445), (2957, 547855), (7115, 227689), (9961, 162635), (14785, 109571), (15653, 103495), (20699, 78265), (32527, 49805)]