7982128

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 120

約数和(自身を含む): 21109760

約数和(自身を除く): 13127632

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 31, 38, 44, 56, 62, 76, 77, 88, 112, 121, 124, 133, 152, 154, 176, 209, 217, 242, 248, 266, 304, 308, 341, 418, 434, 484, 496, 532, 589, 616, 682, 836, 847, 868, 968, 1064, 1178, 1232, 1364, 1463, 1672, 1694, 1736, 1936, 2128, 2299, 2356, 2387, 2728, 2926, 3344, 3388, 3472, 3751, 4123, 4598, 4712, 4774, 5456, 5852, 6479, 6776, 7502, 8246, 9196, 9424, 9548, 11704, 12958, 13552, 15004, 16093, 16492, 18392, 19096, 23408, 25916, 26257, 30008, 32186, 32984, 36784, 38192, 45353, 51832, 52514, 60016, 64372, 65968, 71269, 90706, 103664, 105028, 128744, 142538, 181412, 210056, 257488, 285076, 362824, 420112, 498883, 570152, 725648, 997766, 1140304, 1995532, 3991064, 7982128]

約数ペア:

[(1, 7982128), (2, 3991064), (4, 1995532), (7, 1140304), (8, 997766), (11, 725648), (14, 570152), (16, 498883), (19, 420112), (22, 362824), (28, 285076), (31, 257488), (38, 210056), (44, 181412), (56, 142538), (62, 128744), (76, 105028), (77, 103664), (88, 90706), (112, 71269), (121, 65968), (124, 64372), (133, 60016), (152, 52514), (154, 51832), (176, 45353), (209, 38192), (217, 36784), (242, 32984), (248, 32186), (266, 30008), (304, 26257), (308, 25916), (341, 23408), (418, 19096), (434, 18392), (484, 16492), (496, 16093), (532, 15004), (589, 13552), (616, 12958), (682, 11704), (836, 9548), (847, 9424), (868, 9196), (968, 8246), (1064, 7502), (1178, 6776), (1232, 6479), (1364, 5852), (1463, 5456), (1672, 4774), (1694, 4712), (1736, 4598), (1936, 4123), (2128, 3751), (2299, 3472), (2356, 3388), (2387, 3344), (2728, 2926)]