258976479

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 372486400

約数和(自身を除く): 113509921

約数列:

[1, 3, 19, 57, 73, 109, 219, 327, 571, 1387, 1713, 2071, 4161, 6213, 7957, 10849, 23871, 32547, 41683, 62239, 125049, 151183, 186717, 453549, 791977, 1182541, 2375931, 3547623, 4543447, 13630341, 86325493, 258976479]

約数ペア:

[(1, 258976479), (3, 86325493), (19, 13630341), (57, 4543447), (73, 3547623), (109, 2375931), (219, 1182541), (327, 791977), (571, 453549), (1387, 186717), (1713, 151183), (2071, 125049), (4161, 62239), (6213, 41683), (7957, 32547), (10849, 23871)]