31404384

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:481

約数の個数: 144

約数和(自身を含む): 101896704

約数和(自身を除く): 70492320

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 23, 24, 32, 33, 36, 44, 46, 48, 66, 69, 72, 88, 92, 96, 99, 132, 138, 144, 176, 184, 198, 207, 253, 264, 276, 288, 352, 368, 396, 414, 431, 506, 528, 552, 736, 759, 792, 828, 862, 1012, 1056, 1104, 1293, 1518, 1584, 1656, 1724, 2024, 2208, 2277, 2586, 3036, 3168, 3312, 3448, 3879, 4048, 4554, 4741, 5172, 6072, 6624, 6896, 7758, 8096, 9108, 9482, 9913, 10344, 12144, 13792, 14223, 15516, 18216, 18964, 19826, 20688, 24288, 28446, 29739, 31032, 36432, 37928, 39652, 41376, 42669, 56892, 59478, 62064, 72864, 75856, 79304, 85338, 89217, 109043, 113784, 118956, 124128, 151712, 158608, 170676, 178434, 218086, 227568, 237912, 317216, 327129, 341352, 356868, 436172, 455136, 475824, 654258, 682704, 713736, 872344, 951648, 981387, 1308516, 1365408, 1427472, 1744688, 1962774, 2617032, 2854944, 3489376, 3925548, 5234064, 7851096, 10468128, 15702192, 31404384]

約数ペア:

[(1, 31404384), (2, 15702192), (3, 10468128), (4, 7851096), (6, 5234064), (8, 3925548), (9, 3489376), (11, 2854944), (12, 2617032), (16, 1962774), (18, 1744688), (22, 1427472), (23, 1365408), (24, 1308516), (32, 981387), (33, 951648), (36, 872344), (44, 713736), (46, 682704), (48, 654258), (66, 475824), (69, 455136), (72, 436172), (88, 356868), (92, 341352), (96, 327129), (99, 317216), (132, 237912), (138, 227568), (144, 218086), (176, 178434), (184, 170676), (198, 158608), (207, 151712), (253, 124128), (264, 118956), (276, 113784), (288, 109043), (352, 89217), (368, 85338), (396, 79304), (414, 75856), (431, 72864), (506, 62064), (528, 59478), (552, 56892), (736, 42669), (759, 41376), (792, 39652), (828, 37928), (862, 36432), (1012, 31032), (1056, 29739), (1104, 28446), (1293, 24288), (1518, 20688), (1584, 19826), (1656, 18964), (1724, 18216), (2024, 15516), (2208, 14223), (2277, 13792), (2586, 12144), (3036, 10344), (3168, 9913), (3312, 9482), (3448, 9108), (3879, 8096), (4048, 7758), (4554, 6896), (4741, 6624), (5172, 6072)]