28221882

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1999}}^1$

素因数の和:2198

約数の個数: 32

約数和(自身を含む): 61152000

約数和(自身を除く): 32930118

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 181, 362, 543, 1086, 1999, 2353, 3998, 4706, 5997, 7059, 11994, 14118, 25987, 51974, 77961, 155922, 361819, 723638, 1085457, 2170914, 4703647, 9407294, 14110941, 28221882]

約数ペア:

[(1, 28221882), (2, 14110941), (3, 9407294), (6, 4703647), (13, 2170914), (26, 1085457), (39, 723638), (78, 361819), (181, 155922), (362, 77961), (543, 51974), (1086, 25987), (1999, 14118), (2353, 11994), (3998, 7059), (4706, 5997)]