156689455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{643}}^1$

素因数の和:847

約数の個数: 32

約数和(自身を含む): 212921856

約数和(自身を除く): 56232401

約数列:

[1, 5, 13, 23, 65, 115, 163, 299, 643, 815, 1495, 2119, 3215, 3749, 8359, 10595, 14789, 18745, 41795, 48737, 73945, 104809, 192257, 243685, 524045, 961285, 1362517, 2410607, 6812585, 12053035, 31337891, 156689455]

約数ペア:

[(1, 156689455), (5, 31337891), (13, 12053035), (23, 6812585), (65, 2410607), (115, 1362517), (163, 961285), (299, 524045), (643, 243685), (815, 192257), (1495, 104809), (2119, 73945), (3215, 48737), (3749, 41795), (8359, 18745), (10595, 14789)]