78927530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{1109}}^1$

素因数の和:1774

約数の個数: 32

約数和(自身を含む): 155364480

約数和(自身を除く): 76436950

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 647, 1109, 1294, 2218, 3235, 5545, 6470, 7117, 11090, 12199, 14234, 24398, 35585, 60995, 71170, 121990, 717523, 1435046, 3587615, 7175230, 7892753, 15785506, 39463765, 78927530]

約数ペア:

[(1, 78927530), (2, 39463765), (5, 15785506), (10, 7892753), (11, 7175230), (22, 3587615), (55, 1435046), (110, 717523), (647, 121990), (1109, 71170), (1294, 60995), (2218, 35585), (3235, 24398), (5545, 14234), (6470, 12199), (7117, 11090)]