8420804735

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{7789}}^1$

素因数の和:7920

約数の個数: 64

約数和(自身を含む): 12922675200

約数和(自身を除く): 4501870465

約数列:

[1, 5, 7, 17, 23, 35, 79, 85, 115, 119, 161, 391, 395, 553, 595, 805, 1343, 1817, 1955, 2737, 2765, 6715, 7789, 9085, 9401, 12719, 13685, 30889, 38945, 47005, 54523, 63595, 132413, 154445, 179147, 216223, 272615, 615331, 662065, 895735, 926891, 1081115, 1254029, 3045499, 3076655, 4307317, 4634455, 6270145, 10460627, 14152613, 15227495, 21318493, 21536585, 52303135, 70763065, 73224389, 99068291, 106592465, 240594421, 366121945, 495341455, 1202972105, 1684160947, 8420804735]

約数ペア:

[(1, 8420804735), (5, 1684160947), (7, 1202972105), (17, 495341455), (23, 366121945), (35, 240594421), (79, 106592465), (85, 99068291), (115, 73224389), (119, 70763065), (161, 52303135), (391, 21536585), (395, 21318493), (553, 15227495), (595, 14152613), (805, 10460627), (1343, 6270145), (1817, 4634455), (1955, 4307317), (2737, 3076655), (2765, 3045499), (6715, 1254029), (7789, 1081115), (9085, 926891), (9401, 895735), (12719, 662065), (13685, 615331), (30889, 272615), (38945, 216223), (47005, 179147), (54523, 154445), (63595, 132413)]