279193788

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{15731}}^1$

素因数の和:15787

約数の個数: 72

約数和(自身を含む): 773070480

約数和(自身を除く): 493876692

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 29, 34, 36, 51, 58, 68, 87, 102, 116, 153, 174, 204, 261, 306, 348, 493, 522, 612, 986, 1044, 1479, 1972, 2958, 4437, 5916, 8874, 15731, 17748, 31462, 47193, 62924, 94386, 141579, 188772, 267427, 283158, 456199, 534854, 566316, 802281, 912398, 1069708, 1368597, 1604562, 1824796, 2406843, 2737194, 3209124, 4105791, 4813686, 5474388, 7755383, 8211582, 9627372, 15510766, 16423164, 23266149, 31021532, 46532298, 69798447, 93064596, 139596894, 279193788]

約数ペア:

[(1, 279193788), (2, 139596894), (3, 93064596), (4, 69798447), (6, 46532298), (9, 31021532), (12, 23266149), (17, 16423164), (18, 15510766), (29, 9627372), (34, 8211582), (36, 7755383), (51, 5474388), (58, 4813686), (68, 4105791), (87, 3209124), (102, 2737194), (116, 2406843), (153, 1824796), (174, 1604562), (204, 1368597), (261, 1069708), (306, 912398), (348, 802281), (493, 566316), (522, 534854), (612, 456199), (986, 283158), (1044, 267427), (1479, 188772), (1972, 141579), (2958, 94386), (4437, 62924), (5916, 47193), (8874, 31462), (15731, 17748)]