306707128

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{701}}^1$

素因数の和:1328

約数の個数: 64

約数和(自身を含む): 709974720

約数和(自身を除く): 403267592

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 601, 701, 728, 1202, 1402, 2404, 2804, 4207, 4808, 4907, 5608, 7813, 8414, 9113, 9814, 15626, 16828, 18226, 19628, 31252, 33656, 36452, 39256, 54691, 62504, 63791, 72904, 109382, 127582, 218764, 255164, 421301, 437528, 510328, 842602, 1685204, 2949107, 3370408, 5476913, 5898214, 10953826, 11796428, 21907652, 23592856, 38338391, 43815304, 76676782, 153353564, 306707128]

約数ペア:

[(1, 306707128), (2, 153353564), (4, 76676782), (7, 43815304), (8, 38338391), (13, 23592856), (14, 21907652), (26, 11796428), (28, 10953826), (52, 5898214), (56, 5476913), (91, 3370408), (104, 2949107), (182, 1685204), (364, 842602), (601, 510328), (701, 437528), (728, 421301), (1202, 255164), (1402, 218764), (2404, 127582), (2804, 109382), (4207, 72904), (4808, 63791), (4907, 62504), (5608, 54691), (7813, 39256), (8414, 36452), (9113, 33656), (9814, 31252), (15626, 19628), (16828, 18226)]