1640643836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{279211}}^1$

素因数の和:279341

約数の個数: 24

約数和(自身を含む): 3119356464

約数和(自身を除く): 1478712628

約数列:

[1, 2, 4, 13, 26, 52, 113, 226, 452, 1469, 2938, 5876, 279211, 558422, 1116844, 3629743, 7259486, 14518972, 31550843, 63101686, 126203372, 410160959, 820321918, 1640643836]

約数ペア:

[(1, 1640643836), (2, 820321918), (4, 410160959), (13, 126203372), (26, 63101686), (52, 31550843), (113, 14518972), (226, 7259486), (452, 3629743), (1469, 1116844), (2938, 558422), (5876, 279211)]