78003412

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{67477}}^1$

素因数の和:67515

約数の個数: 18

約数和(自身を含む): 145010222

約数和(自身を除く): 67006810

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 67477, 134954, 269908, 1147109, 2294218, 4588436, 19500853, 39001706, 78003412]

約数ペア:

[(1, 78003412), (2, 39001706), (4, 19500853), (17, 4588436), (34, 2294218), (68, 1147109), (289, 269908), (578, 134954), (1156, 67477)]