181555330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71761}}^1$

素因数の和:71802

約数の個数: 32

約数和(自身を含む): 372014208

約数和(自身を除く): 190458878

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 71761, 143522, 358805, 717610, 789371, 1578742, 1650503, 3301006, 3946855, 7893710, 8252515, 16505030, 18155533, 36311066, 90777665, 181555330]

約数ペア:

[(1, 181555330), (2, 90777665), (5, 36311066), (10, 18155533), (11, 16505030), (22, 8252515), (23, 7893710), (46, 3946855), (55, 3301006), (110, 1650503), (115, 1578742), (230, 789371), (253, 717610), (506, 358805), (1265, 143522), (2530, 71761)]