2178889206

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{649639}}^1$

素因数の和:649700

約数の個数: 32

約数和(自身を含む): 4802138880

約数和(自身を除く): 2623249674

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 649639, 1299278, 1948917, 3897834, 8445307, 16890614, 25335921, 27934477, 50671842, 55868954, 83803431, 167606862, 363148201, 726296402, 1089444603, 2178889206]

約数ペア:

[(1, 2178889206), (2, 1089444603), (3, 726296402), (6, 363148201), (13, 167606862), (26, 83803431), (39, 55868954), (43, 50671842), (78, 27934477), (86, 25335921), (129, 16890614), (258, 8445307), (559, 3897834), (1118, 1948917), (1677, 1299278), (3354, 649639)]