1381221898

素因数分解:

$2^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{87541}}^1$

素因数の和:87587

約数の個数: 32

約数和(自身を含む): 2521209600

約数和(自身を除く): 1139987702

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 343, 686, 1127, 2254, 7889, 15778, 87541, 175082, 612787, 1225574, 2013443, 4026886, 4289509, 8579018, 14094101, 28188202, 30026563, 60053126, 98658707, 197317414, 690610949, 1381221898]

約数ペア:

[(1, 1381221898), (2, 690610949), (7, 197317414), (14, 98658707), (23, 60053126), (46, 30026563), (49, 28188202), (98, 14094101), (161, 8579018), (322, 4289509), (343, 4026886), (686, 2013443), (1127, 1225574), (2254, 612787), (7889, 175082), (15778, 87541)]