40690419

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 72744960

約数和(自身を除く): 32054541

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 73, 77, 127, 133, 209, 219, 231, 381, 399, 511, 627, 803, 889, 1387, 1397, 1463, 1533, 2409, 2413, 2667, 4161, 4191, 4389, 5621, 7239, 9271, 9709, 9779, 15257, 16863, 16891, 26543, 27813, 29127, 29337, 45771, 50673, 64897, 79629, 101981, 106799, 176149, 185801, 194691, 305943, 320397, 528447, 557403, 713867, 1233043, 1937639, 2141601, 3699129, 5812917, 13563473, 40690419]

約数ペア:

[(1, 40690419), (3, 13563473), (7, 5812917), (11, 3699129), (19, 2141601), (21, 1937639), (33, 1233043), (57, 713867), (73, 557403), (77, 528447), (127, 320397), (133, 305943), (209, 194691), (219, 185801), (231, 176149), (381, 106799), (399, 101981), (511, 79629), (627, 64897), (803, 50673), (889, 45771), (1387, 29337), (1397, 29127), (1463, 27813), (1533, 26543), (2409, 16891), (2413, 16863), (2667, 15257), (4161, 9779), (4191, 9709), (4389, 9271), (5621, 7239)]