128513216

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1861}}^1$

素因数の和:1969

約数の個数: 56

約数和(自身を含む): 278093424

約数和(自身を除く): 149580208

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 83, 104, 166, 208, 332, 416, 664, 832, 1079, 1328, 1861, 2158, 2656, 3722, 4316, 5312, 7444, 8632, 14888, 17264, 24193, 29776, 34528, 48386, 59552, 69056, 96772, 119104, 154463, 193544, 308926, 387088, 617852, 774176, 1235704, 1548352, 2008019, 2471408, 4016038, 4942816, 8032076, 9885632, 16064152, 32128304, 64256608, 128513216]

約数ペア:

[(1, 128513216), (2, 64256608), (4, 32128304), (8, 16064152), (13, 9885632), (16, 8032076), (26, 4942816), (32, 4016038), (52, 2471408), (64, 2008019), (83, 1548352), (104, 1235704), (166, 774176), (208, 617852), (332, 387088), (416, 308926), (664, 193544), (832, 154463), (1079, 119104), (1328, 96772), (1861, 69056), (2158, 59552), (2656, 48386), (3722, 34528), (4316, 29776), (5312, 24193), (7444, 17264), (8632, 14888)]