28109664

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:513

約数の個数: 144

約数和(自身を含む): 91990080

約数和(自身を除く): 63880416

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 32, 33, 36, 38, 44, 48, 57, 66, 72, 76, 88, 96, 99, 114, 132, 144, 152, 171, 176, 198, 209, 228, 264, 288, 304, 342, 352, 396, 418, 456, 467, 528, 608, 627, 684, 792, 836, 912, 934, 1056, 1254, 1368, 1401, 1584, 1672, 1824, 1868, 1881, 2508, 2736, 2802, 3168, 3344, 3736, 3762, 4203, 5016, 5137, 5472, 5604, 6688, 7472, 7524, 8406, 8873, 10032, 10274, 11208, 14944, 15048, 15411, 16812, 17746, 20064, 20548, 22416, 26619, 30096, 30822, 33624, 35492, 41096, 44832, 46233, 53238, 60192, 61644, 67248, 70984, 79857, 82192, 92466, 97603, 106476, 123288, 134496, 141968, 159714, 164384, 184932, 195206, 212952, 246576, 283936, 292809, 319428, 369864, 390412, 425904, 493152, 585618, 638856, 739728, 780824, 851808, 878427, 1171236, 1277712, 1479456, 1561648, 1756854, 2342472, 2555424, 3123296, 3513708, 4684944, 7027416, 9369888, 14054832, 28109664]

約数ペア:

[(1, 28109664), (2, 14054832), (3, 9369888), (4, 7027416), (6, 4684944), (8, 3513708), (9, 3123296), (11, 2555424), (12, 2342472), (16, 1756854), (18, 1561648), (19, 1479456), (22, 1277712), (24, 1171236), (32, 878427), (33, 851808), (36, 780824), (38, 739728), (44, 638856), (48, 585618), (57, 493152), (66, 425904), (72, 390412), (76, 369864), (88, 319428), (96, 292809), (99, 283936), (114, 246576), (132, 212952), (144, 195206), (152, 184932), (171, 164384), (176, 159714), (198, 141968), (209, 134496), (228, 123288), (264, 106476), (288, 97603), (304, 92466), (342, 82192), (352, 79857), (396, 70984), (418, 67248), (456, 61644), (467, 60192), (528, 53238), (608, 46233), (627, 44832), (684, 41096), (792, 35492), (836, 33624), (912, 30822), (934, 30096), (1056, 26619), (1254, 22416), (1368, 20548), (1401, 20064), (1584, 17746), (1672, 16812), (1824, 15411), (1868, 15048), (1881, 14944), (2508, 11208), (2736, 10274), (2802, 10032), (3168, 8873), (3344, 8406), (3736, 7524), (3762, 7472), (4203, 6688), (5016, 5604), (5137, 5472)]