291288426

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1321}}^1$

素因数の和:1607

約数の個数: 64

約数和(自身を含む): 687609216

約数和(自身を除く): 396320790

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 257, 286, 429, 514, 771, 858, 1321, 1542, 2642, 2827, 3341, 3963, 5654, 6682, 7926, 8481, 10023, 14531, 16962, 17173, 20046, 29062, 34346, 36751, 43593, 51519, 73502, 87186, 103038, 110253, 188903, 220506, 339497, 377806, 566709, 678994, 1018491, 1133418, 2036982, 3734467, 4413461, 7468934, 8826922, 11203401, 13240383, 22406802, 26480766, 48548071, 97096142, 145644213, 291288426]

約数ペア:

[(1, 291288426), (2, 145644213), (3, 97096142), (6, 48548071), (11, 26480766), (13, 22406802), (22, 13240383), (26, 11203401), (33, 8826922), (39, 7468934), (66, 4413461), (78, 3734467), (143, 2036982), (257, 1133418), (286, 1018491), (429, 678994), (514, 566709), (771, 377806), (858, 339497), (1321, 220506), (1542, 188903), (2642, 110253), (2827, 103038), (3341, 87186), (3963, 73502), (5654, 51519), (6682, 43593), (7926, 36751), (8481, 34346), (10023, 29062), (14531, 20046), (16962, 17173)]