61999888

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{203947}}^1$

素因数の和:203974

約数の個数: 20

約数和(自身を含む): 126447760

約数和(自身を除く): 64447872

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 203947, 407894, 815788, 1631576, 3263152, 3874993, 7749986, 15499972, 30999944, 61999888]

約数ペア:

[(1, 61999888), (2, 30999944), (4, 15499972), (8, 7749986), (16, 3874993), (19, 3263152), (38, 1631576), (76, 815788), (152, 407894), (304, 203947)]