161620228

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{10709}}^1$

素因数の和:10745

約数の個数: 48

約数和(自身を含む): 359856000

約数和(自身を除く): 198235772

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 343, 539, 686, 1078, 1372, 2156, 3773, 7546, 10709, 15092, 21418, 42836, 74963, 117799, 149926, 235598, 299852, 471196, 524741, 824593, 1049482, 1649186, 2098964, 3298372, 3673187, 5772151, 7346374, 11544302, 14692748, 23088604, 40405057, 80810114, 161620228]

約数ペア:

[(1, 161620228), (2, 80810114), (4, 40405057), (7, 23088604), (11, 14692748), (14, 11544302), (22, 7346374), (28, 5772151), (44, 3673187), (49, 3298372), (77, 2098964), (98, 1649186), (154, 1049482), (196, 824593), (308, 524741), (343, 471196), (539, 299852), (686, 235598), (1078, 149926), (1372, 117799), (2156, 74963), (3773, 42836), (7546, 21418), (10709, 15092)]