664240030

素因数分解:

$2^1\times 5^1\times {\mathrm{2621}}^1\times {\mathrm{25343}}^1$

素因数の和:27971

約数の個数: 16

約数和(自身を含む): 1196135424

約数和(自身を除く): 531895394

約数列:

[1, 2, 5, 10, 2621, 5242, 13105, 25343, 26210, 50686, 126715, 253430, 66424003, 132848006, 332120015, 664240030]

約数ペア:

[(1, 664240030), (2, 332120015), (5, 132848006), (10, 66424003), (2621, 253430), (5242, 126715), (13105, 50686), (25343, 26210)]