31191426

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 86169600

約数和(自身を除く): 54978174

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 43, 54, 57, 63, 86, 101, 114, 126, 129, 133, 171, 189, 202, 258, 266, 301, 303, 342, 378, 387, 399, 513, 602, 606, 707, 774, 798, 817, 903, 909, 1026, 1161, 1197, 1414, 1634, 1806, 1818, 1919, 2121, 2322, 2394, 2451, 2709, 2727, 3591, 3838, 4242, 4343, 4902, 5418, 5454, 5719, 5757, 6363, 7182, 7353, 8127, 8686, 11438, 11514, 12726, 13029, 13433, 14706, 16254, 17157, 17271, 19089, 22059, 26058, 26866, 30401, 34314, 34542, 38178, 39087, 40299, 44118, 51471, 51813, 60802, 78174, 80598, 82517, 91203, 102942, 103626, 117261, 120897, 154413, 165034, 182406, 234522, 241794, 247551, 273609, 308826, 362691, 495102, 547218, 577619, 725382, 742653, 820827, 1155238, 1485306, 1641654, 1732857, 2227959, 3465714, 4455918, 5198571, 10397142, 15595713, 31191426]

約数ペア:

[(1, 31191426), (2, 15595713), (3, 10397142), (6, 5198571), (7, 4455918), (9, 3465714), (14, 2227959), (18, 1732857), (19, 1641654), (21, 1485306), (27, 1155238), (38, 820827), (42, 742653), (43, 725382), (54, 577619), (57, 547218), (63, 495102), (86, 362691), (101, 308826), (114, 273609), (126, 247551), (129, 241794), (133, 234522), (171, 182406), (189, 165034), (202, 154413), (258, 120897), (266, 117261), (301, 103626), (303, 102942), (342, 91203), (378, 82517), (387, 80598), (399, 78174), (513, 60802), (602, 51813), (606, 51471), (707, 44118), (774, 40299), (798, 39087), (817, 38178), (903, 34542), (909, 34314), (1026, 30401), (1161, 26866), (1197, 26058), (1414, 22059), (1634, 19089), (1806, 17271), (1818, 17157), (1919, 16254), (2121, 14706), (2322, 13433), (2394, 13029), (2451, 12726), (2709, 11514), (2727, 11438), (3591, 8686), (3838, 8127), (4242, 7353), (4343, 7182), (4902, 6363), (5418, 5757), (5454, 5719)]