90130369

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1\times {\mathrm{641}}^1$

素因数の和:1080

約数の個数: 16

約数和(自身を含む): 105390720

約数和(自身を除く): 15260351

約数列:

[1, 7, 53, 371, 379, 641, 2653, 4487, 20087, 33973, 140609, 237811, 242939, 1700573, 12875767, 90130369]

約数ペア:

[(1, 90130369), (7, 12875767), (53, 1700573), (371, 242939), (379, 237811), (641, 140609), (2653, 33973), (4487, 20087)]