31438368

素因数分解:

$2^5\times 3^5\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:349

約数の個数: 144

約数和(自身を含む): 100166976

約数和(自身を除く): 68728608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 208, 216, 234, 243, 288, 311, 312, 324, 351, 416, 432, 468, 486, 622, 624, 648, 702, 864, 933, 936, 972, 1053, 1244, 1248, 1296, 1404, 1866, 1872, 1944, 2106, 2488, 2592, 2799, 2808, 3159, 3732, 3744, 3888, 4043, 4212, 4976, 5598, 5616, 6318, 7464, 7776, 8086, 8397, 8424, 9952, 11196, 11232, 12129, 12636, 14928, 16172, 16794, 16848, 22392, 24258, 25191, 25272, 29856, 32344, 33588, 33696, 36387, 44784, 48516, 50382, 50544, 64688, 67176, 72774, 75573, 89568, 97032, 100764, 101088, 109161, 129376, 134352, 145548, 151146, 194064, 201528, 218322, 268704, 291096, 302292, 327483, 388128, 403056, 436644, 582192, 604584, 654966, 806112, 873288, 982449, 1164384, 1209168, 1309932, 1746576, 1964898, 2418336, 2619864, 3493152, 3929796, 5239728, 7859592, 10479456, 15719184, 31438368]

約数ペア:

[(1, 31438368), (2, 15719184), (3, 10479456), (4, 7859592), (6, 5239728), (8, 3929796), (9, 3493152), (12, 2619864), (13, 2418336), (16, 1964898), (18, 1746576), (24, 1309932), (26, 1209168), (27, 1164384), (32, 982449), (36, 873288), (39, 806112), (48, 654966), (52, 604584), (54, 582192), (72, 436644), (78, 403056), (81, 388128), (96, 327483), (104, 302292), (108, 291096), (117, 268704), (144, 218322), (156, 201528), (162, 194064), (208, 151146), (216, 145548), (234, 134352), (243, 129376), (288, 109161), (311, 101088), (312, 100764), (324, 97032), (351, 89568), (416, 75573), (432, 72774), (468, 67176), (486, 64688), (622, 50544), (624, 50382), (648, 48516), (702, 44784), (864, 36387), (933, 33696), (936, 33588), (972, 32344), (1053, 29856), (1244, 25272), (1248, 25191), (1296, 24258), (1404, 22392), (1866, 16848), (1872, 16794), (1944, 16172), (2106, 14928), (2488, 12636), (2592, 12129), (2799, 11232), (2808, 11196), (3159, 9952), (3732, 8424), (3744, 8397), (3888, 8086), (4043, 7776), (4212, 7464), (4976, 6318), (5598, 5616)]