219887038

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 418775040

約数和(自身を除く): 198888002

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 127, 133, 161, 254, 266, 283, 322, 437, 566, 874, 889, 1778, 1981, 2413, 2921, 3059, 3962, 4826, 5377, 5842, 6118, 6509, 10754, 13018, 16891, 20447, 33782, 35941, 37639, 40894, 45563, 55499, 71882, 75278, 91126, 110998, 123671, 247342, 251587, 388493, 503174, 682879, 776986, 826643, 865697, 1365758, 1653286, 1731394, 4780153, 5786501, 9560306, 11573002, 15706217, 31412434, 109943519, 219887038]

約数ペア:

[(1, 219887038), (2, 109943519), (7, 31412434), (14, 15706217), (19, 11573002), (23, 9560306), (38, 5786501), (46, 4780153), (127, 1731394), (133, 1653286), (161, 1365758), (254, 865697), (266, 826643), (283, 776986), (322, 682879), (437, 503174), (566, 388493), (874, 251587), (889, 247342), (1778, 123671), (1981, 110998), (2413, 91126), (2921, 75278), (3059, 71882), (3962, 55499), (4826, 45563), (5377, 40894), (5842, 37639), (6118, 35941), (6509, 33782), (10754, 20447), (13018, 16891)]