81637624

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{683}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 156280320

約数和(自身を除く): 74642696

約数列:

[1, 2, 4, 8, 67, 134, 223, 268, 446, 536, 683, 892, 1366, 1784, 2732, 5464, 14941, 29882, 45761, 59764, 91522, 119528, 152309, 183044, 304618, 366088, 609236, 1218472, 10204703, 20409406, 40818812, 81637624]

約数ペア:

[(1, 81637624), (2, 40818812), (4, 20409406), (8, 10204703), (67, 1218472), (134, 609236), (223, 366088), (268, 304618), (446, 183044), (536, 152309), (683, 119528), (892, 91522), (1366, 59764), (1784, 45761), (2732, 29882), (5464, 14941)]