81459790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{2377}}^1$

素因数の和:2556

約数の個数: 32

約数和(自身を含む): 154094400

約数和(自身を除く): 72634610

約数列:

[1, 2, 5, 10, 23, 46, 115, 149, 230, 298, 745, 1490, 2377, 3427, 4754, 6854, 11885, 17135, 23770, 34270, 54671, 109342, 273355, 354173, 546710, 708346, 1770865, 3541730, 8145979, 16291958, 40729895, 81459790]

約数ペア:

[(1, 81459790), (2, 40729895), (5, 16291958), (10, 8145979), (23, 3541730), (46, 1770865), (115, 708346), (149, 546710), (230, 354173), (298, 273355), (745, 109342), (1490, 54671), (2377, 34270), (3427, 23770), (4754, 17135), (6854, 11885)]