51648272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{248309}}^1$

素因数の和:248330

約数の個数: 20

約数和(自身を含む): 107766540

約数和(自身を除く): 56118268

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 248309, 496618, 993236, 1986472, 3228017, 3972944, 6456034, 12912068, 25824136, 51648272]

約数ペア:

[(1, 51648272), (2, 25824136), (4, 12912068), (8, 6456034), (13, 3972944), (16, 3228017), (26, 1986472), (52, 993236), (104, 496618), (208, 248309)]