138993008

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:331

約数の個数: 120

約数和(自身を含む): 348084864

約数和(自身を除く): 209091856

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 71, 77, 88, 98, 112, 142, 154, 176, 196, 227, 284, 308, 392, 454, 497, 539, 568, 616, 781, 784, 908, 994, 1078, 1136, 1232, 1562, 1589, 1816, 1988, 2156, 2497, 3124, 3178, 3479, 3632, 3976, 4312, 4994, 5467, 6248, 6356, 6958, 7952, 8624, 9988, 10934, 11123, 12496, 12712, 13916, 16117, 17479, 19976, 21868, 22246, 25424, 27832, 32234, 34958, 38269, 39952, 43736, 44492, 55664, 64468, 69916, 76538, 87472, 88984, 112819, 122353, 128936, 139832, 153076, 177287, 177968, 225638, 244706, 257872, 279664, 306152, 354574, 451276, 489412, 612304, 709148, 789733, 902552, 978824, 1241009, 1418296, 1579466, 1805104, 1957648, 2482018, 2836592, 3158932, 4964036, 6317864, 8687063, 9928072, 12635728, 17374126, 19856144, 34748252, 69496504, 138993008]

約数ペア:

[(1, 138993008), (2, 69496504), (4, 34748252), (7, 19856144), (8, 17374126), (11, 12635728), (14, 9928072), (16, 8687063), (22, 6317864), (28, 4964036), (44, 3158932), (49, 2836592), (56, 2482018), (71, 1957648), (77, 1805104), (88, 1579466), (98, 1418296), (112, 1241009), (142, 978824), (154, 902552), (176, 789733), (196, 709148), (227, 612304), (284, 489412), (308, 451276), (392, 354574), (454, 306152), (497, 279664), (539, 257872), (568, 244706), (616, 225638), (781, 177968), (784, 177287), (908, 153076), (994, 139832), (1078, 128936), (1136, 122353), (1232, 112819), (1562, 88984), (1589, 87472), (1816, 76538), (1988, 69916), (2156, 64468), (2497, 55664), (3124, 44492), (3178, 43736), (3479, 39952), (3632, 38269), (3976, 34958), (4312, 32234), (4994, 27832), (5467, 25424), (6248, 22246), (6356, 21868), (6958, 19976), (7952, 17479), (8624, 16117), (9988, 13916), (10934, 12712), (11123, 12496)]