79989728

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2113}}^1$

素因数の和:2156

約数の個数: 72

約数和(自身を含む): 194978448

約数和(自身を除く): 114988720

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 169, 182, 208, 224, 338, 364, 416, 676, 728, 1183, 1352, 1456, 2113, 2366, 2704, 2912, 4226, 4732, 5408, 8452, 9464, 14791, 16904, 18928, 27469, 29582, 33808, 37856, 54938, 59164, 67616, 109876, 118328, 192283, 219752, 236656, 357097, 384566, 439504, 473312, 714194, 769132, 879008, 1428388, 1538264, 2499679, 2856776, 3076528, 4999358, 5713552, 6153056, 9998716, 11427104, 19997432, 39994864, 79989728]

約数ペア:

[(1, 79989728), (2, 39994864), (4, 19997432), (7, 11427104), (8, 9998716), (13, 6153056), (14, 5713552), (16, 4999358), (26, 3076528), (28, 2856776), (32, 2499679), (52, 1538264), (56, 1428388), (91, 879008), (104, 769132), (112, 714194), (169, 473312), (182, 439504), (208, 384566), (224, 357097), (338, 236656), (364, 219752), (416, 192283), (676, 118328), (728, 109876), (1183, 67616), (1352, 59164), (1456, 54938), (2113, 37856), (2366, 33808), (2704, 29582), (2912, 27469), (4226, 18928), (4732, 16904), (5408, 14791), (8452, 9464)]