128516458

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{907}}^1$

素因数の和:1294

約数の個数: 32

約数和(自身を含む): 228816000

約数和(自身を除く): 100299542

約数列:

[1, 2, 7, 14, 29, 58, 203, 349, 406, 698, 907, 1814, 2443, 4886, 6349, 10121, 12698, 20242, 26303, 52606, 70847, 141694, 184121, 316543, 368242, 633086, 2215801, 4431602, 9179747, 18359494, 64258229, 128516458]

約数ペア:

[(1, 128516458), (2, 64258229), (7, 18359494), (14, 9179747), (29, 4431602), (58, 2215801), (203, 633086), (349, 368242), (406, 316543), (698, 184121), (907, 141694), (1814, 70847), (2443, 52606), (4886, 26303), (6349, 20242), (10121, 12698)]