389905128

素因数分解:

$2^3\times 3^2\times {\mathrm{163}}^1\times {\mathrm{33223}}^1$

素因数の和:33398

約数の個数: 48

約数和(自身を含む): 1062503520

約数和(自身を除く): 672598392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 163, 326, 489, 652, 978, 1304, 1467, 1956, 2934, 3912, 5868, 11736, 33223, 66446, 99669, 132892, 199338, 265784, 299007, 398676, 598014, 797352, 1196028, 2392056, 5415349, 10830698, 16246047, 21661396, 32492094, 43322792, 48738141, 64984188, 97476282, 129968376, 194952564, 389905128]

約数ペア:

[(1, 389905128), (2, 194952564), (3, 129968376), (4, 97476282), (6, 64984188), (8, 48738141), (9, 43322792), (12, 32492094), (18, 21661396), (24, 16246047), (36, 10830698), (72, 5415349), (163, 2392056), (326, 1196028), (489, 797352), (652, 598014), (978, 398676), (1304, 299007), (1467, 265784), (1956, 199338), (2934, 132892), (3912, 99669), (5868, 66446), (11736, 33223)]