254315988

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21871}}^1$

素因数の和:21917

約数の個数: 72

約数和(自身を含む): 716526720

約数和(自身を除く): 462210732

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 51, 57, 68, 76, 102, 114, 153, 171, 204, 228, 306, 323, 342, 612, 646, 684, 969, 1292, 1938, 2907, 3876, 5814, 11628, 21871, 43742, 65613, 87484, 131226, 196839, 262452, 371807, 393678, 415549, 743614, 787356, 831098, 1115421, 1246647, 1487228, 1662196, 2230842, 2493294, 3346263, 3739941, 4461684, 4986588, 6692526, 7064333, 7479882, 13385052, 14128666, 14959764, 21192999, 28257332, 42385998, 63578997, 84771996, 127157994, 254315988]

約数ペア:

[(1, 254315988), (2, 127157994), (3, 84771996), (4, 63578997), (6, 42385998), (9, 28257332), (12, 21192999), (17, 14959764), (18, 14128666), (19, 13385052), (34, 7479882), (36, 7064333), (38, 6692526), (51, 4986588), (57, 4461684), (68, 3739941), (76, 3346263), (102, 2493294), (114, 2230842), (153, 1662196), (171, 1487228), (204, 1246647), (228, 1115421), (306, 831098), (323, 787356), (342, 743614), (612, 415549), (646, 393678), (684, 371807), (969, 262452), (1292, 196839), (1938, 131226), (2907, 87484), (3876, 65613), (5814, 43742), (11628, 21871)]