78211390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{937}}^1$

素因数の和:1452

約数の個数: 32

約数和(自身を含む): 149524704

約数和(自身を除く): 71313314

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 491, 937, 982, 1874, 2455, 4685, 4910, 8347, 9370, 15929, 16694, 31858, 41735, 79645, 83470, 159290, 460067, 920134, 2300335, 4600670, 7821139, 15642278, 39105695, 78211390]

約数ペア:

[(1, 78211390), (2, 39105695), (5, 15642278), (10, 7821139), (17, 4600670), (34, 2300335), (85, 920134), (170, 460067), (491, 159290), (937, 83470), (982, 79645), (1874, 41735), (2455, 31858), (4685, 16694), (4910, 15929), (8347, 9370)]