77218505

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 123379200

約数和(自身を除く): 46160695

約数列:

[1, 5, 7, 13, 17, 35, 65, 67, 85, 91, 119, 149, 221, 335, 455, 469, 595, 745, 871, 1043, 1105, 1139, 1547, 1937, 2345, 2533, 4355, 5215, 5695, 6097, 7735, 7973, 9685, 9983, 12665, 13559, 14807, 17731, 30485, 32929, 39865, 49915, 67795, 69881, 74035, 88655, 103649, 129779, 164645, 169711, 230503, 349405, 518245, 648895, 848555, 908453, 1152515, 1187977, 2206243, 4542265, 5939885, 11031215, 15443701, 77218505]

約数ペア:

[(1, 77218505), (5, 15443701), (7, 11031215), (13, 5939885), (17, 4542265), (35, 2206243), (65, 1187977), (67, 1152515), (85, 908453), (91, 848555), (119, 648895), (149, 518245), (221, 349405), (335, 230503), (455, 169711), (469, 164645), (595, 129779), (745, 103649), (871, 88655), (1043, 74035), (1105, 69881), (1139, 67795), (1547, 49915), (1937, 39865), (2345, 32929), (2533, 30485), (4355, 17731), (5215, 14807), (5695, 13559), (6097, 12665), (7735, 9983), (7973, 9685)]