38902994

素因数分解:

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

素因数の和:1386

約数の個数: 32

約数和(自身を含む): 67287360

約数和(自身を除く): 28384366

約数列:

[1, 2, 13, 19, 26, 38, 61, 122, 247, 494, 793, 1159, 1291, 1586, 2318, 2582, 15067, 16783, 24529, 30134, 33566, 49058, 78751, 157502, 318877, 637754, 1023763, 1496269, 2047526, 2992538, 19451497, 38902994]

約数ペア:

[(1, 38902994), (2, 19451497), (13, 2992538), (19, 2047526), (26, 1496269), (38, 1023763), (61, 637754), (122, 318877), (247, 157502), (494, 78751), (793, 49058), (1159, 33566), (1291, 30134), (1586, 24529), (2318, 16783), (2582, 15067)]