78930775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 123349248

約数和(自身を除く): 44418473

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 131, 175, 275, 313, 385, 655, 917, 1441, 1565, 1925, 2191, 3275, 3443, 4585, 7205, 7825, 10087, 10955, 17215, 22925, 24101, 36025, 41003, 50435, 54775, 86075, 120505, 205015, 252175, 287021, 451033, 602525, 1025075, 1435105, 2255165, 3157231, 7175525, 11275825, 15786155, 78930775]

約数ペア:

[(1, 78930775), (5, 15786155), (7, 11275825), (11, 7175525), (25, 3157231), (35, 2255165), (55, 1435105), (77, 1025075), (131, 602525), (175, 451033), (275, 287021), (313, 252175), (385, 205015), (655, 120505), (917, 86075), (1441, 54775), (1565, 50435), (1925, 41003), (2191, 36025), (3275, 24101), (3443, 22925), (4585, 17215), (7205, 10955), (7825, 10087)]