27890176

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 80

約数和(自身を含む): 60888960

約数和(自身を除く): 32998784

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 61, 64, 76, 94, 122, 128, 152, 188, 244, 256, 304, 376, 488, 512, 608, 752, 893, 976, 1159, 1216, 1504, 1786, 1952, 2318, 2432, 2867, 3008, 3572, 3904, 4636, 4864, 5734, 6016, 7144, 7808, 9272, 9728, 11468, 12032, 14288, 15616, 18544, 22936, 24064, 28576, 31232, 37088, 45872, 54473, 57152, 74176, 91744, 108946, 114304, 148352, 183488, 217892, 228608, 296704, 366976, 435784, 457216, 593408, 733952, 871568, 1467904, 1743136, 3486272, 6972544, 13945088, 27890176]

約数ペア:

[(1, 27890176), (2, 13945088), (4, 6972544), (8, 3486272), (16, 1743136), (19, 1467904), (32, 871568), (38, 733952), (47, 593408), (61, 457216), (64, 435784), (76, 366976), (94, 296704), (122, 228608), (128, 217892), (152, 183488), (188, 148352), (244, 114304), (256, 108946), (304, 91744), (376, 74176), (488, 57152), (512, 54473), (608, 45872), (752, 37088), (893, 31232), (976, 28576), (1159, 24064), (1216, 22936), (1504, 18544), (1786, 15616), (1952, 14288), (2318, 12032), (2432, 11468), (2867, 9728), (3008, 9272), (3572, 7808), (3904, 7144), (4636, 6016), (4864, 5734)]