12389728

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 72

約数和(自身を含む): 27669600

約数和(自身を除く): 15279872

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 79, 104, 116, 158, 169, 208, 232, 316, 338, 377, 416, 464, 632, 676, 754, 928, 1027, 1264, 1352, 1508, 2054, 2291, 2528, 2704, 3016, 4108, 4582, 4901, 5408, 6032, 8216, 9164, 9802, 12064, 13351, 16432, 18328, 19604, 26702, 29783, 32864, 36656, 39208, 53404, 59566, 73312, 78416, 106808, 119132, 156832, 213616, 238264, 387179, 427232, 476528, 774358, 953056, 1548716, 3097432, 6194864, 12389728]

約数ペア:

[(1, 12389728), (2, 6194864), (4, 3097432), (8, 1548716), (13, 953056), (16, 774358), (26, 476528), (29, 427232), (32, 387179), (52, 238264), (58, 213616), (79, 156832), (104, 119132), (116, 106808), (158, 78416), (169, 73312), (208, 59566), (232, 53404), (316, 39208), (338, 36656), (377, 32864), (416, 29783), (464, 26702), (632, 19604), (676, 18328), (754, 16432), (928, 13351), (1027, 12064), (1264, 9802), (1352, 9164), (1508, 8216), (2054, 6032), (2291, 5408), (2528, 4901), (2704, 4582), (3016, 4108)]