388243388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{433}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 752306016

約数和(自身を除く): 364062628

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 401, 433, 559, 802, 866, 1118, 1604, 1732, 2236, 5213, 5629, 10426, 11258, 17243, 18619, 20852, 22516, 34486, 37238, 68972, 74476, 173633, 224159, 242047, 347266, 448318, 484094, 694532, 896636, 968188, 2257229, 4514458, 7466219, 9028916, 14932438, 29864876, 97060847, 194121694, 388243388]

約数ペア:

[(1, 388243388), (2, 194121694), (4, 97060847), (13, 29864876), (26, 14932438), (43, 9028916), (52, 7466219), (86, 4514458), (172, 2257229), (401, 968188), (433, 896636), (559, 694532), (802, 484094), (866, 448318), (1118, 347266), (1604, 242047), (1732, 224159), (2236, 173633), (5213, 74476), (5629, 68972), (10426, 37238), (11258, 34486), (17243, 22516), (18619, 20852)]