81232564

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{19213}}^1$

素因数の和:19375

約数の個数: 24

約数和(自身を含む): 163549568

約数和(自身を除く): 82317004

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 19213, 38426, 76852, 134491, 268982, 537964, 2901163, 5802326, 11604652, 20308141, 40616282, 81232564]

約数ペア:

[(1, 81232564), (2, 40616282), (4, 20308141), (7, 11604652), (14, 5802326), (28, 2901163), (151, 537964), (302, 268982), (604, 134491), (1057, 76852), (2114, 38426), (4228, 19213)]