15984131488

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{817519}}^1$

素因数の和:817589

約数の個数: 48

約数和(自身を含む): 34610526720

約数和(自身を除く): 18626395232

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 94, 104, 188, 208, 376, 416, 611, 752, 1222, 1504, 2444, 4888, 9776, 19552, 817519, 1635038, 3270076, 6540152, 10627747, 13080304, 21255494, 26160608, 38423393, 42510988, 76846786, 85021976, 153693572, 170043952, 307387144, 340087904, 499504109, 614774288, 999008218, 1229548576, 1998016436, 3996032872, 7992065744, 15984131488]

約数ペア:

[(1, 15984131488), (2, 7992065744), (4, 3996032872), (8, 1998016436), (13, 1229548576), (16, 999008218), (26, 614774288), (32, 499504109), (47, 340087904), (52, 307387144), (94, 170043952), (104, 153693572), (188, 85021976), (208, 76846786), (376, 42510988), (416, 38423393), (611, 26160608), (752, 21255494), (1222, 13080304), (1504, 10627747), (2444, 6540152), (4888, 3270076), (9776, 1635038), (19552, 817519)]