78857018

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 126956160

約数和(自身を除く): 48099142

約数列:

[1, 2, 23, 46, 61, 122, 157, 179, 314, 358, 1403, 2806, 3611, 4117, 7222, 8234, 9577, 10919, 19154, 21838, 28103, 56206, 220271, 251137, 440542, 502274, 646369, 1292738, 1714283, 3428566, 39428509, 78857018]

約数ペア:

[(1, 78857018), (2, 39428509), (23, 3428566), (46, 1714283), (61, 1292738), (122, 646369), (157, 502274), (179, 440542), (314, 251137), (358, 220271), (1403, 56206), (2806, 28103), (3611, 21838), (4117, 19154), (7222, 10919), (8234, 9577)]