2657872

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1249}}^1$

素因数の和:1283

約数の個数: 40

約数和(自身を含む): 6200000

約数和(自身を除く): 3542128

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 1249, 2128, 2498, 4996, 8743, 9992, 17486, 19984, 23731, 34972, 47462, 69944, 94924, 139888, 166117, 189848, 332234, 379696, 664468, 1328936, 2657872]

約数ペア:

[(1, 2657872), (2, 1328936), (4, 664468), (7, 379696), (8, 332234), (14, 189848), (16, 166117), (19, 139888), (28, 94924), (38, 69944), (56, 47462), (76, 34972), (112, 23731), (133, 19984), (152, 17486), (266, 9992), (304, 8743), (532, 4996), (1064, 2498), (1249, 2128)]