66455380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{195457}}^1$

素因数の和:195483

約数の個数: 24

約数和(自身を含む): 147766248

約数和(自身を除く): 81310868

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 195457, 390914, 781828, 977285, 1954570, 3322769, 3909140, 6645538, 13291076, 16613845, 33227690, 66455380]

約数ペア:

[(1, 66455380), (2, 33227690), (4, 16613845), (5, 13291076), (10, 6645538), (17, 3909140), (20, 3322769), (34, 1954570), (68, 977285), (85, 781828), (170, 390914), (340, 195457)]