643441328

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{1061}}^1\times {\mathrm{1307}}^1$

素因数の和:2405

約数の個数: 40

約数和(自身を含む): 1291859280

約数和(自身を除く): 648417952

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 1061, 1307, 2122, 2614, 4244, 5228, 8488, 10456, 16976, 20912, 30769, 37903, 61538, 75806, 123076, 151612, 246152, 303224, 492304, 606448, 1386727, 2773454, 5546908, 11093816, 22187632, 40215083, 80430166, 160860332, 321720664, 643441328]

約数ペア:

[(1, 643441328), (2, 321720664), (4, 160860332), (8, 80430166), (16, 40215083), (29, 22187632), (58, 11093816), (116, 5546908), (232, 2773454), (464, 1386727), (1061, 606448), (1307, 492304), (2122, 303224), (2614, 246152), (4244, 151612), (5228, 123076), (8488, 75806), (10456, 61538), (16976, 37903), (20912, 30769)]