15679972205

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{20717}}^1$

素因数の和:21029

約数の個数: 32

約数和(自身を含む): 20525736960

約数和(自身を除く): 4845764755

約数列:

[1, 5, 19, 31, 95, 155, 257, 589, 1285, 2945, 4883, 7967, 20717, 24415, 39835, 103585, 151373, 393623, 642227, 756865, 1968115, 3211135, 5324269, 12202313, 26621345, 61011565, 101161111, 165052339, 505805555, 825261695, 3135994441, 15679972205]

約数ペア:

[(1, 15679972205), (5, 3135994441), (19, 825261695), (31, 505805555), (95, 165052339), (155, 101161111), (257, 61011565), (589, 26621345), (1285, 12202313), (2945, 5324269), (4883, 3211135), (7967, 1968115), (20717, 756865), (24415, 642227), (39835, 393623), (103585, 151373)]