28883816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^2$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 64018710

約数和(自身を除く): 35134894

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 221, 248, 289, 403, 442, 527, 578, 806, 884, 961, 1054, 1156, 1612, 1768, 1922, 2108, 2312, 3224, 3757, 3844, 4216, 6851, 7514, 7688, 8959, 12493, 13702, 15028, 16337, 17918, 24986, 27404, 30056, 32674, 35836, 49972, 54808, 65348, 71672, 99944, 116467, 130696, 212381, 232934, 277729, 424762, 465868, 555458, 849524, 931736, 1110916, 1699048, 2221832, 3610477, 7220954, 14441908, 28883816]

約数ペア:

[(1, 28883816), (2, 14441908), (4, 7220954), (8, 3610477), (13, 2221832), (17, 1699048), (26, 1110916), (31, 931736), (34, 849524), (52, 555458), (62, 465868), (68, 424762), (104, 277729), (124, 232934), (136, 212381), (221, 130696), (248, 116467), (289, 99944), (403, 71672), (442, 65348), (527, 54808), (578, 49972), (806, 35836), (884, 32674), (961, 30056), (1054, 27404), (1156, 24986), (1612, 17918), (1768, 16337), (1922, 15028), (2108, 13702), (2312, 12493), (3224, 8959), (3757, 7688), (3844, 7514), (4216, 6851)]