81231592

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9887}}^1$

素因数の和:9985

約数の個数: 32

約数和(自身を含む): 166118400

約数和(自身を除く): 84886808

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 4108, 8216, 9887, 19774, 39548, 79096, 128531, 257062, 514124, 781073, 1028248, 1562146, 3124292, 6248584, 10153949, 20307898, 40615796, 81231592]

約数ペア:

[(1, 81231592), (2, 40615796), (4, 20307898), (8, 10153949), (13, 6248584), (26, 3124292), (52, 1562146), (79, 1028248), (104, 781073), (158, 514124), (316, 257062), (632, 128531), (1027, 79096), (2054, 39548), (4108, 19774), (8216, 9887)]