28902743

素因数分解:

${\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{59}}^2$

素因数の和:179

約数の個数: 18

約数和(自身を含む): 32378904

約数和(自身を除く): 3476161

約数列:

[1, 19, 23, 59, 361, 437, 1121, 1357, 3481, 8303, 21299, 25783, 66139, 80063, 489877, 1256641, 1521197, 28902743]

約数ペア:

[(1, 28902743), (19, 1521197), (23, 1256641), (59, 489877), (361, 80063), (437, 66139), (1121, 25783), (1357, 21299), (3481, 8303)]