311874588

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{26821}}^1$

素因数の和:26867

約数の個数: 72

約数和(自身を含む): 878688720

約数和(自身を除く): 566814132

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, 26821, 53642, 80463, 107284, 160926, 241389, 321852, 455957, 482778, 509599, 911914, 965556, 1019198, 1367871, 1528797, 1823828, 2038396, 2735742, 3057594, 4103613, 4586391, 5471484, 6115188, 8207226, 8663183, 9172782, 16414452, 17326366, 18345564, 25989549, 34652732, 51979098, 77968647, 103958196, 155937294, 311874588]

約数ペア:

[(1, 311874588), (2, 155937294), (3, 103958196), (4, 77968647), (6, 51979098), (9, 34652732), (12, 25989549), (17, 18345564), (18, 17326366), (19, 16414452), (34, 9172782), (36, 8663183), (38, 8207226), (51, 6115188), (57, 5471484), (68, 4586391), (76, 4103613), (102, 3057594), (114, 2735742), (153, 2038396), (171, 1823828), (204, 1528797), (228, 1367871), (306, 1019198), (323, 965556), (342, 911914), (612, 509599), (646, 482778), (684, 455957), (969, 321852), (1292, 241389), (1938, 160926), (2907, 107284), (3876, 80463), (5814, 53642), (11628, 26821)]