31128426

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1217}}^1$

素因数の和:1268

約数の個数: 72

約数和(自身を含む): 81228420

約数和(自身を除く): 50099994

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 49, 58, 63, 87, 98, 126, 147, 174, 203, 261, 294, 406, 441, 522, 609, 882, 1217, 1218, 1421, 1827, 2434, 2842, 3651, 3654, 4263, 7302, 8519, 8526, 10953, 12789, 17038, 21906, 25557, 25578, 35293, 51114, 59633, 70586, 76671, 105879, 119266, 153342, 178899, 211758, 247051, 317637, 357798, 494102, 536697, 635274, 741153, 1073394, 1482306, 1729357, 2223459, 3458714, 4446918, 5188071, 10376142, 15564213, 31128426]

約数ペア:

[(1, 31128426), (2, 15564213), (3, 10376142), (6, 5188071), (7, 4446918), (9, 3458714), (14, 2223459), (18, 1729357), (21, 1482306), (29, 1073394), (42, 741153), (49, 635274), (58, 536697), (63, 494102), (87, 357798), (98, 317637), (126, 247051), (147, 211758), (174, 178899), (203, 153342), (261, 119266), (294, 105879), (406, 76671), (441, 70586), (522, 59633), (609, 51114), (882, 35293), (1217, 25578), (1218, 25557), (1421, 21906), (1827, 17038), (2434, 12789), (2842, 10953), (3651, 8526), (3654, 8519), (4263, 7302)]