28987244

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 63814464

約数和(自身を除く): 34827220

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 121, 143, 187, 221, 242, 271, 286, 374, 442, 484, 542, 572, 748, 884, 1084, 1573, 2057, 2431, 2981, 3146, 3523, 4114, 4607, 4862, 5962, 6292, 7046, 8228, 9214, 9724, 11924, 14092, 18428, 26741, 32791, 38753, 50677, 53482, 59891, 65582, 77506, 101354, 106964, 119782, 131164, 155012, 202708, 239564, 426283, 557447, 658801, 852566, 1114894, 1317602, 1705132, 2229788, 2635204, 7246811, 14493622, 28987244]

約数ペア:

[(1, 28987244), (2, 14493622), (4, 7246811), (11, 2635204), (13, 2229788), (17, 1705132), (22, 1317602), (26, 1114894), (34, 852566), (44, 658801), (52, 557447), (68, 426283), (121, 239564), (143, 202708), (187, 155012), (221, 131164), (242, 119782), (271, 106964), (286, 101354), (374, 77506), (442, 65582), (484, 59891), (542, 53482), (572, 50677), (748, 38753), (884, 32791), (1084, 26741), (1573, 18428), (2057, 14092), (2431, 11924), (2981, 9724), (3146, 9214), (3523, 8228), (4114, 7046), (4607, 6292), (4862, 5962)]