31688532

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 83865600

約数和(自身を除く): 52177068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 127, 174, 239, 254, 261, 348, 381, 478, 508, 522, 717, 762, 956, 1044, 1143, 1434, 1524, 2151, 2286, 2868, 3683, 4302, 4572, 6931, 7366, 8604, 11049, 13862, 14732, 20793, 22098, 27724, 30353, 33147, 41586, 44196, 60706, 62379, 66294, 83172, 91059, 121412, 124758, 132588, 182118, 249516, 273177, 364236, 546354, 880237, 1092708, 1760474, 2640711, 3520948, 5281422, 7922133, 10562844, 15844266, 31688532]

約数ペア:

[(1, 31688532), (2, 15844266), (3, 10562844), (4, 7922133), (6, 5281422), (9, 3520948), (12, 2640711), (18, 1760474), (29, 1092708), (36, 880237), (58, 546354), (87, 364236), (116, 273177), (127, 249516), (174, 182118), (239, 132588), (254, 124758), (261, 121412), (348, 91059), (381, 83172), (478, 66294), (508, 62379), (522, 60706), (717, 44196), (762, 41586), (956, 33147), (1044, 30353), (1143, 27724), (1434, 22098), (1524, 20793), (2151, 14732), (2286, 13862), (2868, 11049), (3683, 8604), (4302, 7366), (4572, 6931)]