661284858

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{15671}}^1$

素因数の和:16230

約数の個数: 32

約数和(自身を含む): 1427029632

約数和(自身を除く): 765744774

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 541, 1082, 1623, 3246, 7033, 14066, 15671, 21099, 31342, 42198, 47013, 94026, 203723, 407446, 611169, 1222338, 8478011, 16956022, 25434033, 50868066, 110214143, 220428286, 330642429, 661284858]

約数ペア:

[(1, 661284858), (2, 330642429), (3, 220428286), (6, 110214143), (13, 50868066), (26, 25434033), (39, 16956022), (78, 8478011), (541, 1222338), (1082, 611169), (1623, 407446), (3246, 203723), (7033, 94026), (14066, 47013), (15671, 42198), (21099, 31342)]