25525636

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:420

約数の個数: 36

約数和(自身を含む): 48275136

約数和(自身を除く): 22749500

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 289, 311, 578, 622, 1156, 1207, 1244, 2414, 4828, 5287, 10574, 20519, 21148, 22081, 41038, 44162, 82076, 88324, 89879, 179758, 359516, 375377, 750754, 1501508, 6381409, 12762818, 25525636]

約数ペア:

[(1, 25525636), (2, 12762818), (4, 6381409), (17, 1501508), (34, 750754), (68, 375377), (71, 359516), (142, 179758), (284, 89879), (289, 88324), (311, 82076), (578, 44162), (622, 41038), (1156, 22081), (1207, 21148), (1244, 20519), (2414, 10574), (4828, 5287)]