90157444

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{677}}^1$

素因数の和:904

約数の個数: 36

約数和(自身を含む): 171966564

約数和(自身を除く): 81809120

約数列:

[1, 2, 4, 13, 26, 52, 169, 197, 338, 394, 676, 677, 788, 1354, 2561, 2708, 5122, 8801, 10244, 17602, 33293, 35204, 66586, 114413, 133172, 133369, 228826, 266738, 457652, 533476, 1733797, 3467594, 6935188, 22539361, 45078722, 90157444]

約数ペア:

[(1, 90157444), (2, 45078722), (4, 22539361), (13, 6935188), (26, 3467594), (52, 1733797), (169, 533476), (197, 457652), (338, 266738), (394, 228826), (676, 133369), (677, 133172), (788, 114413), (1354, 66586), (2561, 35204), (2708, 33293), (5122, 17602), (8801, 10244)]