542213567

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{283}}^1\times {\mathrm{641}}^1$

素因数の和:999

約数の個数: 24

約数和(自身を含む): 644347152

約数和(自身を除く): 102133585

約数列:

[1, 7, 49, 61, 283, 427, 641, 1981, 2989, 4487, 13867, 17263, 31409, 39101, 120841, 181403, 273707, 845887, 1269821, 1915949, 8888747, 11065583, 77459081, 542213567]

約数ペア:

[(1, 542213567), (7, 77459081), (49, 11065583), (61, 8888747), (283, 1915949), (427, 1269821), (641, 845887), (1981, 273707), (2989, 181403), (4487, 120841), (13867, 39101), (17263, 31409)]