138804538

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{367}}^1$

素因数の和:694

約数の個数: 32

約数和(自身を含む): 226540800

約数和(自身を除く): 87736262

約数列:

[1, 2, 19, 37, 38, 74, 269, 367, 538, 703, 734, 1406, 5111, 6973, 9953, 10222, 13579, 13946, 19906, 27158, 98723, 189107, 197446, 258001, 378214, 516002, 1875737, 3652751, 3751474, 7305502, 69402269, 138804538]

約数ペア:

[(1, 138804538), (2, 69402269), (19, 7305502), (37, 3751474), (38, 3652751), (74, 1875737), (269, 516002), (367, 378214), (538, 258001), (703, 197446), (734, 189107), (1406, 98723), (5111, 27158), (6973, 19906), (9953, 13946), (10222, 13579)]