27720721808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{133272701}}^1$

素因数の和:133272722

約数の個数: 20

約数和(自身を含む): 57840352668

約数和(自身を除く): 30119630860

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 133272701, 266545402, 533090804, 1066181608, 1732545113, 2132363216, 3465090226, 6930180452, 13860360904, 27720721808]

約数ペア:

[(1, 27720721808), (2, 13860360904), (4, 6930180452), (8, 3465090226), (13, 2132363216), (16, 1732545113), (26, 1066181608), (52, 533090804), (104, 266545402), (208, 133272701)]