65005213

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 88482240

約数和(自身を除く): 23477027

約数列:

[1, 7, 13, 19, 41, 49, 91, 131, 133, 247, 287, 533, 637, 779, 917, 931, 1703, 1729, 2009, 2489, 3731, 5371, 5453, 6419, 10127, 11921, 12103, 17423, 26117, 32357, 37597, 38171, 69823, 70889, 83447, 102049, 121961, 226499, 263179, 488761, 496223, 714343, 1326637, 1585493, 3421327, 5000401, 9286459, 65005213]

約数ペア:

[(1, 65005213), (7, 9286459), (13, 5000401), (19, 3421327), (41, 1585493), (49, 1326637), (91, 714343), (131, 496223), (133, 488761), (247, 263179), (287, 226499), (533, 121961), (637, 102049), (779, 83447), (917, 70889), (931, 69823), (1703, 38171), (1729, 37597), (2009, 32357), (2489, 26117), (3731, 17423), (5371, 12103), (5453, 11921), (6419, 10127)]