215511802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{25577}}^1$

素因数の和:25973

約数の個数: 16

約数和(自身を含む): 353590272

約数和(自身を除く): 138078470

約数列:

[1, 2, 11, 22, 383, 766, 4213, 8426, 25577, 51154, 281347, 562694, 9795991, 19591982, 107755901, 215511802]

約数ペア:

[(1, 215511802), (2, 107755901), (11, 19591982), (22, 9795991), (383, 562694), (766, 281347), (4213, 51154), (8426, 25577)]