1311387854

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{177743}}^1$

素因数の和:177800

約数の個数: 32

約数和(自身を含む): 2457133056

約数和(自身を除く): 1145745202

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 217, 238, 434, 527, 1054, 3689, 7378, 177743, 355486, 1244201, 2488402, 3021631, 5510033, 6043262, 11020066, 21151417, 38570231, 42302834, 77140462, 93670561, 187341122, 655693927, 1311387854]

約数ペア:

[(1, 1311387854), (2, 655693927), (7, 187341122), (14, 93670561), (17, 77140462), (31, 42302834), (34, 38570231), (62, 21151417), (119, 11020066), (217, 6043262), (238, 5510033), (434, 3021631), (527, 2488402), (1054, 1244201), (3689, 355486), (7378, 177743)]