9781616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:130

約数の個数: 80

約数和(自身を含む): 22165248

約数和(自身を除く): 12383632

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 37, 41, 52, 62, 74, 82, 104, 124, 148, 164, 208, 248, 296, 328, 403, 481, 496, 533, 592, 656, 806, 962, 1066, 1147, 1271, 1517, 1612, 1924, 2132, 2294, 2542, 3034, 3224, 3848, 4264, 4588, 5084, 6068, 6448, 7696, 8528, 9176, 10168, 12136, 14911, 16523, 18352, 19721, 20336, 24272, 29822, 33046, 39442, 47027, 59644, 66092, 78884, 94054, 119288, 132184, 157768, 188108, 238576, 264368, 315536, 376216, 611351, 752432, 1222702, 2445404, 4890808, 9781616]

約数ペア:

[(1, 9781616), (2, 4890808), (4, 2445404), (8, 1222702), (13, 752432), (16, 611351), (26, 376216), (31, 315536), (37, 264368), (41, 238576), (52, 188108), (62, 157768), (74, 132184), (82, 119288), (104, 94054), (124, 78884), (148, 66092), (164, 59644), (208, 47027), (248, 39442), (296, 33046), (328, 29822), (403, 24272), (481, 20336), (496, 19721), (533, 18352), (592, 16523), (656, 14911), (806, 12136), (962, 10168), (1066, 9176), (1147, 8528), (1271, 7696), (1517, 6448), (1612, 6068), (1924, 5084), (2132, 4588), (2294, 4264), (2542, 3848), (3034, 3224)]