72781638

素因数分解:

$2^1\times 3^1\times {\mathrm{421}}^1\times {\mathrm{28813}}^1$

素因数の和:29239

約数の個数: 16

約数和(自身を含む): 145914096

約数和(自身を除く): 73132458

約数列:

[1, 2, 3, 6, 421, 842, 1263, 2526, 28813, 57626, 86439, 172878, 12130273, 24260546, 36390819, 72781638]

約数ペア:

[(1, 72781638), (2, 36390819), (3, 24260546), (6, 12130273), (421, 172878), (842, 86439), (1263, 57626), (2526, 28813)]