140972686

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{42901}}^1$

素因数の和:42987

約数の個数: 16

約数和(自身を含む): 222403968

約数和(自身を除く): 81431282

約数列:

[1, 2, 31, 53, 62, 106, 1643, 3286, 42901, 85802, 1329931, 2273753, 2659862, 4547506, 70486343, 140972686]

約数ペア:

[(1, 140972686), (2, 70486343), (31, 4547506), (53, 2659862), (62, 2273753), (106, 1329931), (1643, 85802), (3286, 42901)]