81491438

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{14887}}^1$

素因数の和:14936

約数の個数: 32

約数和(自身を含む): 154358784

約数和(自身を除く): 72867346

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 119, 161, 238, 322, 391, 782, 2737, 5474, 14887, 29774, 104209, 208418, 253079, 342401, 506158, 684802, 1771553, 2396807, 3543106, 4793614, 5820817, 11641634, 40745719, 81491438]

約数ペア:

[(1, 81491438), (2, 40745719), (7, 11641634), (14, 5820817), (17, 4793614), (23, 3543106), (34, 2396807), (46, 1771553), (119, 684802), (161, 506158), (238, 342401), (322, 253079), (391, 208418), (782, 104209), (2737, 29774), (5474, 14887)]