1948863455

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1\times {\mathrm{373}}^1$

素因数の和:768

約数の個数: 64

約数和(自身を含む): 3003872256

約数和(自身を除く): 1055008801

約数列:

[1, 5, 7, 11, 35, 41, 55, 77, 205, 287, 331, 373, 385, 451, 1435, 1655, 1865, 2255, 2317, 2611, 3157, 3641, 4103, 11585, 13055, 13571, 15293, 15785, 18205, 20515, 25487, 28721, 67855, 76465, 94997, 107051, 123463, 127435, 143605, 149281, 168223, 474985, 535255, 617315, 746405, 841115, 864241, 1044967, 1177561, 1358093, 4321205, 5061983, 5224835, 5887805, 6790465, 9506651, 25309915, 35433881, 47533255, 55681813, 177169405, 278409065, 389772691, 1948863455]

約数ペア:

[(1, 1948863455), (5, 389772691), (7, 278409065), (11, 177169405), (35, 55681813), (41, 47533255), (55, 35433881), (77, 25309915), (205, 9506651), (287, 6790465), (331, 5887805), (373, 5224835), (385, 5061983), (451, 4321205), (1435, 1358093), (1655, 1177561), (1865, 1044967), (2255, 864241), (2317, 841115), (2611, 746405), (3157, 617315), (3641, 535255), (4103, 474985), (11585, 168223), (13055, 149281), (13571, 143605), (15293, 127435), (15785, 123463), (18205, 107051), (20515, 94997), (25487, 76465), (28721, 67855)]