28610790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73361}}^1$

素因数の和:73384

約数の個数: 32

約数和(自身を含む): 73948896

約数和(自身を除く): 45338106

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 73361, 146722, 220083, 366805, 440166, 733610, 953693, 1100415, 1907386, 2200830, 2861079, 4768465, 5722158, 9536930, 14305395, 28610790]

約数ペア:

[(1, 28610790), (2, 14305395), (3, 9536930), (5, 5722158), (6, 4768465), (10, 2861079), (13, 2200830), (15, 1907386), (26, 1100415), (30, 953693), (39, 733610), (65, 440166), (78, 366805), (130, 220083), (195, 146722), (390, 73361)]