31438576

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{523}}^1$

素因数の和:578

約数の個数: 60

約数和(自身を含む): 69816712

約数和(自身を除く): 38378136

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 289, 442, 523, 578, 884, 1046, 1156, 1768, 2092, 2312, 3536, 3757, 4184, 4624, 6799, 7514, 8368, 8891, 13598, 15028, 17782, 27196, 30056, 35564, 54392, 60112, 71128, 108784, 115583, 142256, 151147, 231166, 302294, 462332, 604588, 924664, 1209176, 1849328, 1964911, 2418352, 3929822, 7859644, 15719288, 31438576]

約数ペア:

[(1, 31438576), (2, 15719288), (4, 7859644), (8, 3929822), (13, 2418352), (16, 1964911), (17, 1849328), (26, 1209176), (34, 924664), (52, 604588), (68, 462332), (104, 302294), (136, 231166), (208, 151147), (221, 142256), (272, 115583), (289, 108784), (442, 71128), (523, 60112), (578, 54392), (884, 35564), (1046, 30056), (1156, 27196), (1768, 17782), (2092, 15028), (2312, 13598), (3536, 8891), (3757, 8368), (4184, 7514), (4624, 6799)]