157213165

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 203486976

約数和(自身を除く): 46273811

約数列:

[1, 5, 23, 61, 73, 115, 305, 307, 365, 1403, 1535, 1679, 4453, 7015, 7061, 8395, 18727, 22265, 22411, 35305, 93635, 102419, 112055, 430721, 512095, 515453, 1367071, 2153605, 2577265, 6835355, 31442633, 157213165]

約数ペア:

[(1, 157213165), (5, 31442633), (23, 6835355), (61, 2577265), (73, 2153605), (115, 1367071), (305, 515453), (307, 512095), (365, 430721), (1403, 112055), (1535, 102419), (1679, 93635), (4453, 35305), (7015, 22411), (7061, 22265), (8395, 18727)]