2904426

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:148

約数の個数: 72

約数和(自身を含む): 7602660

約数和(自身を除く): 4698234

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 49, 63, 74, 89, 98, 111, 126, 147, 178, 222, 259, 267, 294, 333, 441, 518, 534, 623, 666, 777, 801, 882, 1246, 1554, 1602, 1813, 1869, 2331, 3293, 3626, 3738, 4361, 4662, 5439, 5607, 6586, 8722, 9879, 10878, 11214, 13083, 16317, 19758, 23051, 26166, 29637, 32634, 39249, 46102, 59274, 69153, 78498, 138306, 161357, 207459, 322714, 414918, 484071, 968142, 1452213, 2904426]

約数ペア:

[(1, 2904426), (2, 1452213), (3, 968142), (6, 484071), (7, 414918), (9, 322714), (14, 207459), (18, 161357), (21, 138306), (37, 78498), (42, 69153), (49, 59274), (63, 46102), (74, 39249), (89, 32634), (98, 29637), (111, 26166), (126, 23051), (147, 19758), (178, 16317), (222, 13083), (259, 11214), (267, 10878), (294, 9879), (333, 8722), (441, 6586), (518, 5607), (534, 5439), (623, 4662), (666, 4361), (777, 3738), (801, 3626), (882, 3293), (1246, 2331), (1554, 1869), (1602, 1813)]