216880216

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{461}}^1$

素因数の和:776

約数の個数: 64

約数和(自身を含む): 482549760

約数和(自身を除く): 265669544

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 271, 434, 461, 542, 868, 922, 1084, 1736, 1844, 1897, 2168, 3227, 3688, 3794, 6454, 7588, 8401, 12908, 14291, 15176, 16802, 25816, 28582, 33604, 57164, 58807, 67208, 100037, 114328, 117614, 124931, 200074, 235228, 249862, 400148, 470456, 499724, 800296, 874517, 999448, 1749034, 3498068, 3872861, 6996136, 7745722, 15491444, 27110027, 30982888, 54220054, 108440108, 216880216]

約数ペア:

[(1, 216880216), (2, 108440108), (4, 54220054), (7, 30982888), (8, 27110027), (14, 15491444), (28, 7745722), (31, 6996136), (56, 3872861), (62, 3498068), (124, 1749034), (217, 999448), (248, 874517), (271, 800296), (434, 499724), (461, 470456), (542, 400148), (868, 249862), (922, 235228), (1084, 200074), (1736, 124931), (1844, 117614), (1897, 114328), (2168, 100037), (3227, 67208), (3688, 58807), (3794, 57164), (6454, 33604), (7588, 28582), (8401, 25816), (12908, 16802), (14291, 15176)]