161120428

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 346574592

約数和(自身を除く): 185454164

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 103, 161, 196, 206, 322, 347, 412, 644, 694, 721, 1127, 1388, 1442, 2254, 2369, 2429, 2884, 4508, 4738, 4858, 5047, 7981, 9476, 9716, 10094, 15962, 16583, 17003, 20188, 31924, 33166, 34006, 35741, 55867, 66332, 68012, 71482, 111734, 116081, 142964, 223468, 232162, 250187, 391069, 464324, 500374, 782138, 822043, 1000748, 1564276, 1644086, 1751309, 3288172, 3502618, 5754301, 7005236, 11508602, 23017204, 40280107, 80560214, 161120428]

約数ペア:

[(1, 161120428), (2, 80560214), (4, 40280107), (7, 23017204), (14, 11508602), (23, 7005236), (28, 5754301), (46, 3502618), (49, 3288172), (92, 1751309), (98, 1644086), (103, 1564276), (161, 1000748), (196, 822043), (206, 782138), (322, 500374), (347, 464324), (412, 391069), (644, 250187), (694, 232162), (721, 223468), (1127, 142964), (1388, 116081), (1442, 111734), (2254, 71482), (2369, 68012), (2429, 66332), (2884, 55867), (4508, 35741), (4738, 34006), (4858, 33166), (5047, 31924), (7981, 20188), (9476, 17003), (9716, 16583), (10094, 15962)]