28278936

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:398

約数の個数: 128

約数和(自身を含む): 91584000

約数和(自身を除く): 63305064

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 59, 63, 72, 84, 108, 118, 126, 168, 177, 189, 216, 236, 252, 317, 354, 378, 413, 472, 504, 531, 634, 708, 756, 826, 951, 1062, 1239, 1268, 1416, 1512, 1593, 1652, 1902, 2124, 2219, 2478, 2536, 2853, 3186, 3304, 3717, 3804, 4248, 4438, 4956, 5706, 6372, 6657, 7434, 7608, 8559, 8876, 9912, 11151, 11412, 12744, 13314, 14868, 17118, 17752, 18703, 19971, 22302, 22824, 26628, 29736, 34236, 37406, 39942, 44604, 53256, 56109, 59913, 68472, 74812, 79884, 89208, 112218, 119826, 130921, 149624, 159768, 168327, 224436, 239652, 261842, 336654, 392763, 448872, 479304, 504981, 523684, 673308, 785526, 1009962, 1047368, 1178289, 1346616, 1571052, 2019924, 2356578, 3142104, 3534867, 4039848, 4713156, 7069734, 9426312, 14139468, 28278936]

約数ペア:

[(1, 28278936), (2, 14139468), (3, 9426312), (4, 7069734), (6, 4713156), (7, 4039848), (8, 3534867), (9, 3142104), (12, 2356578), (14, 2019924), (18, 1571052), (21, 1346616), (24, 1178289), (27, 1047368), (28, 1009962), (36, 785526), (42, 673308), (54, 523684), (56, 504981), (59, 479304), (63, 448872), (72, 392763), (84, 336654), (108, 261842), (118, 239652), (126, 224436), (168, 168327), (177, 159768), (189, 149624), (216, 130921), (236, 119826), (252, 112218), (317, 89208), (354, 79884), (378, 74812), (413, 68472), (472, 59913), (504, 56109), (531, 53256), (634, 44604), (708, 39942), (756, 37406), (826, 34236), (951, 29736), (1062, 26628), (1239, 22824), (1268, 22302), (1416, 19971), (1512, 18703), (1593, 17752), (1652, 17118), (1902, 14868), (2124, 13314), (2219, 12744), (2478, 11412), (2536, 11151), (2853, 9912), (3186, 8876), (3304, 8559), (3717, 7608), (3804, 7434), (4248, 6657), (4438, 6372), (4956, 5706)]