81644152

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{73421}}^1$

素因数の和:73566

約数の個数: 16

約数和(自身を含む): 154186200

約数和(自身を除く): 72542048

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 73421, 146842, 293684, 587368, 10205519, 20411038, 40822076, 81644152]

約数ペア:

[(1, 81644152), (2, 40822076), (4, 20411038), (8, 10205519), (139, 587368), (278, 293684), (556, 146842), (1112, 73421)]