165681568

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{398273}}^1$

素因数の和:398296

約数の個数: 24

約数和(自身を含む): 351277668

約数和(自身を除く): 185596100

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 398273, 796546, 1593092, 3186184, 5177549, 6372368, 10355098, 12744736, 20710196, 41420392, 82840784, 165681568]

約数ペア:

[(1, 165681568), (2, 82840784), (4, 41420392), (8, 20710196), (13, 12744736), (16, 10355098), (26, 6372368), (32, 5177549), (52, 3186184), (104, 1593092), (208, 796546), (416, 398273)]