12781566

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{281}}^1$

素因数の和:334

約数の個数: 72

約数和(自身を含む): 33521904

約数和(自身を除く): 20740338

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 281, 342, 361, 399, 562, 722, 798, 843, 1083, 1197, 1686, 1967, 2166, 2394, 2527, 2529, 3249, 3934, 5054, 5058, 5339, 5901, 6498, 7581, 10678, 11802, 15162, 16017, 17703, 22743, 32034, 35406, 37373, 45486, 48051, 74746, 96102, 101441, 112119, 202882, 224238, 304323, 336357, 608646, 672714, 710087, 912969, 1420174, 1825938, 2130261, 4260522, 6390783, 12781566]

約数ペア:

[(1, 12781566), (2, 6390783), (3, 4260522), (6, 2130261), (7, 1825938), (9, 1420174), (14, 912969), (18, 710087), (19, 672714), (21, 608646), (38, 336357), (42, 304323), (57, 224238), (63, 202882), (114, 112119), (126, 101441), (133, 96102), (171, 74746), (266, 48051), (281, 45486), (342, 37373), (361, 35406), (399, 32034), (562, 22743), (722, 17703), (798, 16017), (843, 15162), (1083, 11802), (1197, 10678), (1686, 7581), (1967, 6498), (2166, 5901), (2394, 5339), (2527, 5058), (2529, 5054), (3249, 3934)]