221587808

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{532663}}^1$

素因数の和:532686

約数の個数: 24

約数和(自身を含む): 469809648

約数和(自身を除く): 248221840

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 532663, 1065326, 2130652, 4261304, 6924619, 8522608, 13849238, 17045216, 27698476, 55396952, 110793904, 221587808]

約数ペア:

[(1, 221587808), (2, 110793904), (4, 55396952), (8, 27698476), (13, 17045216), (16, 13849238), (26, 8522608), (32, 6924619), (52, 4261304), (104, 2130652), (208, 1065326), (416, 532663)]