77805988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1291}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 157003840

約数和(自身を除く): 79197852

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 61, 76, 122, 244, 247, 494, 793, 988, 1159, 1291, 1586, 2318, 2582, 3172, 4636, 5164, 15067, 16783, 24529, 30134, 33566, 49058, 60268, 67132, 78751, 98116, 157502, 315004, 318877, 637754, 1023763, 1275508, 1496269, 2047526, 2992538, 4095052, 5985076, 19451497, 38902994, 77805988]

約数ペア:

[(1, 77805988), (2, 38902994), (4, 19451497), (13, 5985076), (19, 4095052), (26, 2992538), (38, 2047526), (52, 1496269), (61, 1275508), (76, 1023763), (122, 637754), (244, 318877), (247, 315004), (494, 157502), (793, 98116), (988, 78751), (1159, 67132), (1291, 60268), (1586, 49058), (2318, 33566), (2582, 30134), (3172, 24529), (4636, 16783), (5164, 15067)]