28912870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21739}}^1$

素因数の和:21772

約数の個数: 32

約数和(自身を含む): 62611200

約数和(自身を除く): 33698330

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 21739, 43478, 108695, 152173, 217390, 304346, 413041, 760865, 826082, 1521730, 2065205, 2891287, 4130410, 5782574, 14456435, 28912870]

約数ペア:

[(1, 28912870), (2, 14456435), (5, 5782574), (7, 4130410), (10, 2891287), (14, 2065205), (19, 1521730), (35, 826082), (38, 760865), (70, 413041), (95, 304346), (133, 217390), (190, 152173), (266, 108695), (665, 43478), (1330, 21739)]