16640008

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 42107040

約数和(自身を除く): 25467032

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 49, 56, 68, 77, 88, 98, 119, 136, 154, 187, 196, 227, 238, 308, 374, 392, 454, 476, 539, 616, 748, 833, 908, 952, 1078, 1309, 1496, 1589, 1666, 1816, 2156, 2497, 2618, 3178, 3332, 3859, 4312, 4994, 5236, 6356, 6664, 7718, 9163, 9988, 10472, 11123, 12712, 15436, 17479, 18326, 19976, 22246, 27013, 30872, 34958, 36652, 42449, 44492, 54026, 69916, 73304, 84898, 88984, 108052, 122353, 139832, 169796, 189091, 216104, 244706, 297143, 339592, 378182, 489412, 594286, 756364, 978824, 1188572, 1512728, 2080001, 2377144, 4160002, 8320004, 16640008]

約数ペア:

[(1, 16640008), (2, 8320004), (4, 4160002), (7, 2377144), (8, 2080001), (11, 1512728), (14, 1188572), (17, 978824), (22, 756364), (28, 594286), (34, 489412), (44, 378182), (49, 339592), (56, 297143), (68, 244706), (77, 216104), (88, 189091), (98, 169796), (119, 139832), (136, 122353), (154, 108052), (187, 88984), (196, 84898), (227, 73304), (238, 69916), (308, 54026), (374, 44492), (392, 42449), (454, 36652), (476, 34958), (539, 30872), (616, 27013), (748, 22246), (833, 19976), (908, 18326), (952, 17479), (1078, 15436), (1309, 12712), (1496, 11123), (1589, 10472), (1666, 9988), (1816, 9163), (2156, 7718), (2497, 6664), (2618, 6356), (3178, 5236), (3332, 4994), (3859, 4312)]