28958956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 60653376

約数和(自身を除く): 31694420

約数列:

[1, 2, 4, 13, 17, 26, 34, 41, 47, 52, 68, 82, 94, 164, 188, 221, 289, 442, 533, 578, 611, 697, 799, 884, 1066, 1156, 1222, 1394, 1598, 1927, 2132, 2444, 2788, 3196, 3757, 3854, 7514, 7708, 9061, 10387, 11849, 13583, 15028, 18122, 20774, 23698, 25051, 27166, 32759, 36244, 41548, 47396, 50102, 54332, 65518, 100204, 131036, 154037, 176579, 308074, 353158, 425867, 556903, 616148, 706316, 851734, 1113806, 1703468, 2227612, 7239739, 14479478, 28958956]

約数ペア:

[(1, 28958956), (2, 14479478), (4, 7239739), (13, 2227612), (17, 1703468), (26, 1113806), (34, 851734), (41, 706316), (47, 616148), (52, 556903), (68, 425867), (82, 353158), (94, 308074), (164, 176579), (188, 154037), (221, 131036), (289, 100204), (442, 65518), (533, 54332), (578, 50102), (611, 47396), (697, 41548), (799, 36244), (884, 32759), (1066, 27166), (1156, 25051), (1222, 23698), (1394, 20774), (1598, 18122), (1927, 15028), (2132, 13583), (2444, 11849), (2788, 10387), (3196, 9061), (3757, 7708), (3854, 7514)]