31239208

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 81285120

約数和(自身を除く): 50045912

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 47, 52, 56, 77, 83, 88, 91, 94, 104, 143, 154, 166, 182, 188, 286, 308, 329, 332, 364, 376, 517, 572, 581, 611, 616, 658, 664, 728, 913, 1001, 1034, 1079, 1144, 1162, 1222, 1316, 1826, 2002, 2068, 2158, 2324, 2444, 2632, 3619, 3652, 3901, 4004, 4136, 4277, 4316, 4648, 4888, 6391, 6721, 7238, 7304, 7553, 7802, 8008, 8554, 8632, 11869, 12782, 13442, 14476, 15106, 15604, 17108, 23738, 25564, 26884, 27307, 28952, 30212, 31208, 34216, 42911, 47047, 47476, 50713, 51128, 53768, 54614, 60424, 83083, 85822, 94094, 94952, 101426, 109228, 166166, 171644, 188188, 202852, 218456, 300377, 332332, 343288, 354991, 376376, 405704, 557843, 600754, 664664, 709982, 1115686, 1201508, 1419964, 2231372, 2403016, 2839928, 3904901, 4462744, 7809802, 15619604, 31239208]

約数ペア:

[(1, 31239208), (2, 15619604), (4, 7809802), (7, 4462744), (8, 3904901), (11, 2839928), (13, 2403016), (14, 2231372), (22, 1419964), (26, 1201508), (28, 1115686), (44, 709982), (47, 664664), (52, 600754), (56, 557843), (77, 405704), (83, 376376), (88, 354991), (91, 343288), (94, 332332), (104, 300377), (143, 218456), (154, 202852), (166, 188188), (182, 171644), (188, 166166), (286, 109228), (308, 101426), (329, 94952), (332, 94094), (364, 85822), (376, 83083), (517, 60424), (572, 54614), (581, 53768), (611, 51128), (616, 50713), (658, 47476), (664, 47047), (728, 42911), (913, 34216), (1001, 31208), (1034, 30212), (1079, 28952), (1144, 27307), (1162, 26884), (1222, 25564), (1316, 23738), (1826, 17108), (2002, 15604), (2068, 15106), (2158, 14476), (2324, 13442), (2444, 12782), (2632, 11869), (3619, 8632), (3652, 8554), (3901, 8008), (4004, 7802), (4136, 7553), (4277, 7304), (4316, 7238), (4648, 6721), (4888, 6391)]