71739745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 115831296

約数和(自身を除く): 44091551

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 97, 113, 119, 187, 385, 485, 565, 595, 679, 791, 935, 1067, 1243, 1309, 1649, 1921, 3395, 3955, 5335, 6215, 6545, 7469, 8245, 8701, 9605, 10961, 11543, 13447, 18139, 21131, 37345, 43505, 54805, 57715, 67235, 76727, 90695, 105655, 120571, 126973, 147917, 186337, 383635, 602855, 634865, 739585, 843997, 931685, 1304359, 2049707, 4219985, 6521795, 10248535, 14347949, 71739745]

約数ペア:

[(1, 71739745), (5, 14347949), (7, 10248535), (11, 6521795), (17, 4219985), (35, 2049707), (55, 1304359), (77, 931685), (85, 843997), (97, 739585), (113, 634865), (119, 602855), (187, 383635), (385, 186337), (485, 147917), (565, 126973), (595, 120571), (679, 105655), (791, 90695), (935, 76727), (1067, 67235), (1243, 57715), (1309, 54805), (1649, 43505), (1921, 37345), (3395, 21131), (3955, 18139), (5335, 13447), (6215, 11543), (6545, 10961), (7469, 9605), (8245, 8701)]