1238996816

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{980219}}^1$

素因数の和:980306

約数の個数: 20

約数和(自身を含む): 2430945600

約数和(自身を除く): 1191948784

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 980219, 1960438, 3920876, 7841752, 15683504, 77437301, 154874602, 309749204, 619498408, 1238996816]

約数ペア:

[(1, 1238996816), (2, 619498408), (4, 309749204), (8, 154874602), (16, 77437301), (79, 15683504), (158, 7841752), (316, 3920876), (632, 1960438), (1264, 980219)]