720304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3463}}^1$

素因数の和:3484

約数の個数: 20

約数和(自身を含む): 1503376

約数和(自身を除く): 783072

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3463, 6926, 13852, 27704, 45019, 55408, 90038, 180076, 360152, 720304]

約数ペア:

[(1, 720304), (2, 360152), (4, 180076), (8, 90038), (13, 55408), (16, 45019), (26, 27704), (52, 13852), (104, 6926), (208, 3463)]