28849828

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 63329280

約数和(自身を除く): 34479452

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 61, 76, 98, 122, 127, 133, 196, 244, 254, 266, 427, 508, 532, 854, 889, 931, 1159, 1708, 1778, 1862, 2318, 2413, 2989, 3556, 3724, 4636, 4826, 5978, 6223, 7747, 8113, 9652, 11956, 12446, 15494, 16226, 16891, 24892, 30988, 32452, 33782, 54229, 56791, 67564, 108458, 113582, 118237, 147193, 216916, 227164, 236474, 294386, 379603, 472948, 588772, 759206, 1030351, 1518412, 2060702, 4121404, 7212457, 14424914, 28849828]

約数ペア:

[(1, 28849828), (2, 14424914), (4, 7212457), (7, 4121404), (14, 2060702), (19, 1518412), (28, 1030351), (38, 759206), (49, 588772), (61, 472948), (76, 379603), (98, 294386), (122, 236474), (127, 227164), (133, 216916), (196, 147193), (244, 118237), (254, 113582), (266, 108458), (427, 67564), (508, 56791), (532, 54229), (854, 33782), (889, 32452), (931, 30988), (1159, 24892), (1708, 16891), (1778, 16226), (1862, 15494), (2318, 12446), (2413, 11956), (2989, 9652), (3556, 8113), (3724, 7747), (4636, 6223), (4826, 5978)]