156747815

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 232888320

約数和(自身を除く): 76140505

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 151, 223, 245, 665, 755, 931, 1057, 1115, 1561, 2869, 4237, 4655, 5285, 7399, 7805, 10927, 14345, 20083, 21185, 29659, 33673, 36995, 54635, 100415, 140581, 148295, 168365, 207613, 235711, 639787, 702905, 1038065, 1178555, 1649977, 3198935, 4478509, 8249885, 22392545, 31349563, 156747815]

約数ペア:

[(1, 156747815), (5, 31349563), (7, 22392545), (19, 8249885), (35, 4478509), (49, 3198935), (95, 1649977), (133, 1178555), (151, 1038065), (223, 702905), (245, 639787), (665, 235711), (755, 207613), (931, 168365), (1057, 148295), (1115, 140581), (1561, 100415), (2869, 54635), (4237, 36995), (4655, 33673), (5285, 29659), (7399, 21185), (7805, 20083), (10927, 14345)]