129960272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{624809}}^1$

素因数の和:624830

約数の個数: 20

約数和(自身を含む): 271167540

約数和(自身を除く): 141207268

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 624809, 1249618, 2499236, 4998472, 8122517, 9996944, 16245034, 32490068, 64980136, 129960272]

約数ペア:

[(1, 129960272), (2, 64980136), (4, 32490068), (8, 16245034), (13, 9996944), (16, 8122517), (26, 4998472), (52, 2499236), (104, 1249618), (208, 624809)]