12978784

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4457}}^1$

素因数の和:4487

約数の個数: 48

約数和(自身を含む): 31455648

約数和(自身を除く): 18476864

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 4457, 8914, 17828, 31199, 35656, 57941, 62398, 71312, 115882, 124796, 142624, 231764, 249592, 405587, 463528, 499184, 811174, 927056, 998368, 1622348, 1854112, 3244696, 6489392, 12978784]

約数ペア:

[(1, 12978784), (2, 6489392), (4, 3244696), (7, 1854112), (8, 1622348), (13, 998368), (14, 927056), (16, 811174), (26, 499184), (28, 463528), (32, 405587), (52, 249592), (56, 231764), (91, 142624), (104, 124796), (112, 115882), (182, 71312), (208, 62398), (224, 57941), (364, 35656), (416, 31199), (728, 17828), (1456, 8914), (2912, 4457)]