38901984

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 119451024

約数和(自身を除く): 80549040

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 32, 33, 34, 44, 48, 51, 66, 68, 88, 96, 102, 121, 132, 136, 176, 187, 197, 204, 242, 264, 272, 352, 363, 374, 394, 408, 484, 528, 544, 561, 591, 726, 748, 788, 816, 968, 1056, 1122, 1182, 1452, 1496, 1576, 1632, 1936, 2057, 2167, 2244, 2364, 2904, 2992, 3152, 3349, 3872, 4114, 4334, 4488, 4728, 5808, 5984, 6171, 6304, 6501, 6698, 8228, 8668, 8976, 9456, 10047, 11616, 12342, 13002, 13396, 16456, 17336, 17952, 18912, 20094, 23837, 24684, 26004, 26792, 32912, 34672, 36839, 40188, 47674, 49368, 52008, 53584, 65824, 69344, 71511, 73678, 80376, 95348, 98736, 104016, 107168, 110517, 143022, 147356, 160752, 190696, 197472, 208032, 221034, 286044, 294712, 321504, 381392, 405229, 442068, 572088, 589424, 762784, 810458, 884136, 1144176, 1178848, 1215687, 1620916, 1768272, 2288352, 2431374, 3241832, 3536544, 4862748, 6483664, 9725496, 12967328, 19450992, 38901984]

約数ペア:

[(1, 38901984), (2, 19450992), (3, 12967328), (4, 9725496), (6, 6483664), (8, 4862748), (11, 3536544), (12, 3241832), (16, 2431374), (17, 2288352), (22, 1768272), (24, 1620916), (32, 1215687), (33, 1178848), (34, 1144176), (44, 884136), (48, 810458), (51, 762784), (66, 589424), (68, 572088), (88, 442068), (96, 405229), (102, 381392), (121, 321504), (132, 294712), (136, 286044), (176, 221034), (187, 208032), (197, 197472), (204, 190696), (242, 160752), (264, 147356), (272, 143022), (352, 110517), (363, 107168), (374, 104016), (394, 98736), (408, 95348), (484, 80376), (528, 73678), (544, 71511), (561, 69344), (591, 65824), (726, 53584), (748, 52008), (788, 49368), (816, 47674), (968, 40188), (1056, 36839), (1122, 34672), (1182, 32912), (1452, 26792), (1496, 26004), (1576, 24684), (1632, 23837), (1936, 20094), (2057, 18912), (2167, 17952), (2244, 17336), (2364, 16456), (2904, 13396), (2992, 13002), (3152, 12342), (3349, 11616), (3872, 10047), (4114, 9456), (4334, 8976), (4488, 8668), (4728, 8228), (5808, 6698), (5984, 6501), (6171, 6304)]