821694064

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{21283}}^1$

素因数の和:21437

約数の個数: 40

約数和(自身を含む): 1689098240

約数和(自身を除く): 867404176

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 127, 152, 254, 304, 508, 1016, 2032, 2413, 4826, 9652, 19304, 21283, 38608, 42566, 85132, 170264, 340528, 404377, 808754, 1617508, 2702941, 3235016, 5405882, 6470032, 10811764, 21623528, 43247056, 51355879, 102711758, 205423516, 410847032, 821694064]

約数ペア:

[(1, 821694064), (2, 410847032), (4, 205423516), (8, 102711758), (16, 51355879), (19, 43247056), (38, 21623528), (76, 10811764), (127, 6470032), (152, 5405882), (254, 3235016), (304, 2702941), (508, 1617508), (1016, 808754), (2032, 404377), (2413, 340528), (4826, 170264), (9652, 85132), (19304, 42566), (21283, 38608)]