721304896

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{866953}}^1$

素因数の和:866978

約数の個数: 28

約数和(自身を含む): 1541444212

約数和(自身を除く): 820139316

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 866953, 1733906, 3467812, 6935624, 11270389, 13871248, 22540778, 27742496, 45081556, 55484992, 90163112, 180326224, 360652448, 721304896]

約数ペア:

[(1, 721304896), (2, 360652448), (4, 180326224), (8, 90163112), (13, 55484992), (16, 45081556), (26, 27742496), (32, 22540778), (52, 13871248), (64, 11270389), (104, 6935624), (208, 3467812), (416, 1733906), (832, 866953)]