25081784

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 58544640

約数和(自身を除く): 33462856

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 131, 182, 262, 263, 364, 524, 526, 728, 917, 1048, 1052, 1703, 1834, 1841, 2104, 3406, 3419, 3668, 3682, 6812, 6838, 7336, 7364, 11921, 13624, 13676, 14728, 23842, 23933, 27352, 34453, 47684, 47866, 68906, 95368, 95732, 137812, 191464, 241171, 275624, 447889, 482342, 895778, 964684, 1791556, 1929368, 3135223, 3583112, 6270446, 12540892, 25081784]

約数ペア:

[(1, 25081784), (2, 12540892), (4, 6270446), (7, 3583112), (8, 3135223), (13, 1929368), (14, 1791556), (26, 964684), (28, 895778), (52, 482342), (56, 447889), (91, 275624), (104, 241171), (131, 191464), (182, 137812), (262, 95732), (263, 95368), (364, 68906), (524, 47866), (526, 47684), (728, 34453), (917, 27352), (1048, 23933), (1052, 23842), (1703, 14728), (1834, 13676), (1841, 13624), (2104, 11921), (3406, 7364), (3419, 7336), (3668, 6838), (3682, 6812)]