128575265

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 198912000

約数和(自身を除く): 70336735

約数列:

[1, 5, 7, 13, 35, 49, 65, 73, 79, 91, 245, 343, 365, 395, 455, 511, 553, 637, 949, 1027, 1715, 2555, 2765, 3185, 3577, 3871, 4459, 4745, 5135, 5767, 6643, 7189, 17885, 19355, 22295, 25039, 27097, 28835, 33215, 35945, 40369, 46501, 50323, 74971, 125195, 135485, 201845, 232505, 251615, 282583, 325507, 352261, 374855, 524797, 1412915, 1627535, 1761305, 1978081, 2623985, 3673579, 9890405, 18367895, 25715053, 128575265]

約数ペア:

[(1, 128575265), (5, 25715053), (7, 18367895), (13, 9890405), (35, 3673579), (49, 2623985), (65, 1978081), (73, 1761305), (79, 1627535), (91, 1412915), (245, 524797), (343, 374855), (365, 352261), (395, 325507), (455, 282583), (511, 251615), (553, 232505), (637, 201845), (949, 135485), (1027, 125195), (1715, 74971), (2555, 50323), (2765, 46501), (3185, 40369), (3577, 35945), (3871, 33215), (4459, 28835), (4745, 27097), (5135, 25039), (5767, 22295), (6643, 19355), (7189, 17885)]