1389357515

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{617}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 2118009600

約数和(自身を除く): 728652085

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 101, 245, 343, 455, 505, 617, 637, 707, 1313, 1715, 3085, 3185, 3535, 4319, 4459, 4949, 6565, 8021, 9191, 21595, 22295, 24745, 30233, 34643, 40105, 45955, 56147, 62317, 64337, 151165, 173215, 211631, 280735, 311585, 321685, 393029, 436219, 450359, 810121, 1058155, 1965145, 2181095, 2251795, 2751203, 3053533, 4050605, 5670847, 13756015, 15267665, 21374731, 28354235, 39695929, 106873655, 198479645, 277871503, 1389357515]

約数ペア:

[(1, 1389357515), (5, 277871503), (7, 198479645), (13, 106873655), (35, 39695929), (49, 28354235), (65, 21374731), (91, 15267665), (101, 13756015), (245, 5670847), (343, 4050605), (455, 3053533), (505, 2751203), (617, 2251795), (637, 2181095), (707, 1965145), (1313, 1058155), (1715, 810121), (3085, 450359), (3185, 436219), (3535, 393029), (4319, 321685), (4459, 311585), (4949, 280735), (6565, 211631), (8021, 173215), (9191, 151165), (21595, 64337), (22295, 62317), (24745, 56147), (30233, 45955), (34643, 40105)]