28023786

素因数分解:

$2^1\times 3^3\times 7^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:138

約数の個数: 128

約数和(自身を含む): 77760000

約数和(自身を除く): 49736214

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 49, 51, 54, 63, 89, 98, 102, 119, 126, 147, 153, 178, 189, 238, 267, 294, 306, 343, 357, 378, 441, 459, 534, 623, 686, 714, 801, 833, 882, 918, 1029, 1071, 1246, 1323, 1513, 1602, 1666, 1869, 2058, 2142, 2403, 2499, 2646, 3026, 3087, 3213, 3738, 4361, 4539, 4806, 4998, 5607, 5831, 6174, 6426, 7497, 8722, 9078, 9261, 10591, 11214, 11662, 13083, 13617, 14994, 16821, 17493, 18522, 21182, 22491, 26166, 27234, 30527, 31773, 33642, 34986, 39249, 40851, 44982, 52479, 61054, 63546, 74137, 78498, 81702, 91581, 95319, 104958, 117747, 148274, 157437, 183162, 190638, 222411, 235494, 274743, 285957, 314874, 444822, 518959, 549486, 571914, 667233, 824229, 1037918, 1334466, 1556877, 1648458, 2001699, 3113754, 4003398, 4670631, 9341262, 14011893, 28023786]

約数ペア:

[(1, 28023786), (2, 14011893), (3, 9341262), (6, 4670631), (7, 4003398), (9, 3113754), (14, 2001699), (17, 1648458), (18, 1556877), (21, 1334466), (27, 1037918), (34, 824229), (42, 667233), (49, 571914), (51, 549486), (54, 518959), (63, 444822), (89, 314874), (98, 285957), (102, 274743), (119, 235494), (126, 222411), (147, 190638), (153, 183162), (178, 157437), (189, 148274), (238, 117747), (267, 104958), (294, 95319), (306, 91581), (343, 81702), (357, 78498), (378, 74137), (441, 63546), (459, 61054), (534, 52479), (623, 44982), (686, 40851), (714, 39249), (801, 34986), (833, 33642), (882, 31773), (918, 30527), (1029, 27234), (1071, 26166), (1246, 22491), (1323, 21182), (1513, 18522), (1602, 17493), (1666, 16821), (1869, 14994), (2058, 13617), (2142, 13083), (2403, 11662), (2499, 11214), (2646, 10591), (3026, 9261), (3087, 9078), (3213, 8722), (3738, 7497), (4361, 6426), (4539, 6174), (4806, 5831), (4998, 5607)]