131880862

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 212889600

約数和(自身を除く): 81008738

約数列:

[1, 2, 19, 38, 79, 158, 197, 223, 394, 446, 1501, 3002, 3743, 4237, 7486, 8474, 15563, 17617, 31126, 35234, 43931, 87862, 295697, 334723, 591394, 669446, 834689, 1669378, 3470549, 6941098, 65940431, 131880862]

約数ペア:

[(1, 131880862), (2, 65940431), (19, 6941098), (38, 3470549), (79, 1669378), (158, 834689), (197, 669446), (223, 591394), (394, 334723), (446, 295697), (1501, 87862), (3002, 43931), (3743, 35234), (4237, 31126), (7486, 17617), (8474, 15563)]