217779932

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{421}}^1\times {\mathrm{1637}}^1$

素因数の和:2141

約数の個数: 24

約数和(自身を含む): 387092160

約数和(自身を除く): 169312228

約数列:

[1, 2, 4, 79, 158, 316, 421, 842, 1637, 1684, 3274, 6548, 33259, 66518, 129323, 133036, 258646, 517292, 689177, 1378354, 2756708, 54444983, 108889966, 217779932]

約数ペア:

[(1, 217779932), (2, 108889966), (4, 54444983), (79, 2756708), (158, 1378354), (316, 689177), (421, 517292), (842, 258646), (1637, 133036), (1684, 129323), (3274, 66518), (6548, 33259)]