28287004

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1453}}^1$

素因数の和:1645

約数の個数: 24

約数和(自身を含む): 51459968

約数和(自身を除く): 23172964

約数列:

[1, 2, 4, 31, 62, 124, 157, 314, 628, 1453, 2906, 4867, 5812, 9734, 19468, 45043, 90086, 180172, 228121, 456242, 912484, 7071751, 14143502, 28287004]

約数ペア:

[(1, 28287004), (2, 14143502), (4, 7071751), (31, 912484), (62, 456242), (124, 228121), (157, 180172), (314, 90086), (628, 45043), (1453, 19468), (2906, 9734), (4867, 5812)]