77471745

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 139345920

約数和(自身を除く): 61874175

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 79, 107, 141, 195, 235, 237, 321, 395, 535, 611, 705, 1027, 1185, 1391, 1605, 1833, 3055, 3081, 3713, 4173, 5029, 5135, 6955, 8453, 9165, 11139, 15087, 15405, 18565, 20865, 25145, 25359, 42265, 48269, 55695, 65377, 75435, 109889, 126795, 144807, 196131, 241345, 326885, 329667, 397291, 549445, 724035, 980655, 1191873, 1648335, 1986455, 5164783, 5959365, 15494349, 25823915, 77471745]

約数ペア:

[(1, 77471745), (3, 25823915), (5, 15494349), (13, 5959365), (15, 5164783), (39, 1986455), (47, 1648335), (65, 1191873), (79, 980655), (107, 724035), (141, 549445), (195, 397291), (235, 329667), (237, 326885), (321, 241345), (395, 196131), (535, 144807), (611, 126795), (705, 109889), (1027, 75435), (1185, 65377), (1391, 55695), (1605, 48269), (1833, 42265), (3055, 25359), (3081, 25145), (3713, 20865), (4173, 18565), (5029, 15405), (5135, 15087), (6955, 11139), (8453, 9165)]