28703675

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:109

約数の個数: 96

約数和(自身を含む): 50663424

約数和(自身を除く): 21959749

約数列:

[1, 5, 7, 11, 13, 25, 31, 35, 37, 55, 65, 77, 91, 143, 155, 175, 185, 217, 259, 275, 325, 341, 385, 403, 407, 455, 481, 715, 775, 925, 1001, 1085, 1147, 1295, 1705, 1925, 2015, 2035, 2275, 2387, 2405, 2821, 2849, 3367, 3575, 4433, 5005, 5291, 5425, 5735, 6475, 8029, 8525, 10075, 10175, 11935, 12025, 12617, 14105, 14245, 14911, 16835, 22165, 25025, 26455, 28675, 31031, 37037, 40145, 59675, 63085, 70525, 71225, 74555, 84175, 88319, 104377, 110825, 132275, 155155, 164021, 185185, 200725, 315425, 372775, 441595, 521885, 775775, 820105, 925925, 1148147, 2207975, 2609425, 4100525, 5740735, 28703675]

約数ペア:

[(1, 28703675), (5, 5740735), (7, 4100525), (11, 2609425), (13, 2207975), (25, 1148147), (31, 925925), (35, 820105), (37, 775775), (55, 521885), (65, 441595), (77, 372775), (91, 315425), (143, 200725), (155, 185185), (175, 164021), (185, 155155), (217, 132275), (259, 110825), (275, 104377), (325, 88319), (341, 84175), (385, 74555), (403, 71225), (407, 70525), (455, 63085), (481, 59675), (715, 40145), (775, 37037), (925, 31031), (1001, 28675), (1085, 26455), (1147, 25025), (1295, 22165), (1705, 16835), (1925, 14911), (2015, 14245), (2035, 14105), (2275, 12617), (2387, 12025), (2405, 11935), (2821, 10175), (2849, 10075), (3367, 8525), (3575, 8029), (4433, 6475), (5005, 5735), (5291, 5425)]