28690248

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 73872000

約数和(自身を除く): 45181752

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 113, 142, 149, 213, 226, 284, 298, 339, 426, 447, 452, 568, 596, 678, 852, 894, 904, 1192, 1356, 1704, 1788, 2712, 3576, 8023, 10579, 16046, 16837, 21158, 24069, 31737, 32092, 33674, 42316, 48138, 50511, 63474, 64184, 67348, 84632, 96276, 101022, 126948, 134696, 192552, 202044, 253896, 404088, 1195427, 2390854, 3586281, 4781708, 7172562, 9563416, 14345124, 28690248]

約数ペア:

[(1, 28690248), (2, 14345124), (3, 9563416), (4, 7172562), (6, 4781708), (8, 3586281), (12, 2390854), (24, 1195427), (71, 404088), (113, 253896), (142, 202044), (149, 192552), (213, 134696), (226, 126948), (284, 101022), (298, 96276), (339, 84632), (426, 67348), (447, 64184), (452, 63474), (568, 50511), (596, 48138), (678, 42316), (852, 33674), (894, 32092), (904, 31737), (1192, 24069), (1356, 21158), (1704, 16837), (1788, 16046), (2712, 10579), (3576, 8023)]