161918008

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61519}}^1$

素因数の和:61579

約数の個数: 32

約数和(自身を含む): 354355200

約数和(自身を除く): 192437192

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 61519, 123038, 246076, 430633, 492152, 861266, 1722532, 2891393, 3445064, 5782786, 11565572, 20239751, 23131144, 40479502, 80959004, 161918008]

約数ペア:

[(1, 161918008), (2, 80959004), (4, 40479502), (7, 23131144), (8, 20239751), (14, 11565572), (28, 5782786), (47, 3445064), (56, 2891393), (94, 1722532), (188, 861266), (329, 492152), (376, 430633), (658, 246076), (1316, 123038), (2632, 61519)]