16880821041

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{751}}^1\times {\mathrm{797}}^1$

素因数の和:1654

約数の個数: 64

約数和(自身を含む): 27652423680

約数和(自身を除く): 10771602639

約数列:

[1, 3, 7, 17, 21, 51, 79, 119, 237, 357, 553, 751, 797, 1343, 1659, 2253, 2391, 4029, 5257, 5579, 9401, 12767, 13549, 15771, 16737, 28203, 38301, 40647, 59329, 62963, 89369, 94843, 177987, 188889, 268107, 284529, 415303, 440741, 598547, 1008593, 1070371, 1245909, 1322223, 1795641, 3025779, 3211113, 4189829, 7060151, 7492597, 10175299, 12569487, 21180453, 22477791, 30525897, 47285213, 71227093, 141855639, 213681279, 330996491, 803848621, 992989473, 2411545863, 5626940347, 16880821041]

約数ペア:

[(1, 16880821041), (3, 5626940347), (7, 2411545863), (17, 992989473), (21, 803848621), (51, 330996491), (79, 213681279), (119, 141855639), (237, 71227093), (357, 47285213), (553, 30525897), (751, 22477791), (797, 21180453), (1343, 12569487), (1659, 10175299), (2253, 7492597), (2391, 7060151), (4029, 4189829), (5257, 3211113), (5579, 3025779), (9401, 1795641), (12767, 1322223), (13549, 1245909), (15771, 1070371), (16737, 1008593), (28203, 598547), (38301, 440741), (40647, 415303), (59329, 284529), (62963, 268107), (89369, 188889), (94843, 177987)]