28840752

素因数分解:

$2^4\times 3^3\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:779

約数の個数: 80

約数和(自身を含む): 83729760

約数和(自身を除く): 54889008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 101, 108, 144, 202, 216, 303, 404, 432, 606, 661, 808, 909, 1212, 1322, 1616, 1818, 1983, 2424, 2644, 2727, 3636, 3966, 4848, 5288, 5454, 5949, 7272, 7932, 10576, 10908, 11898, 14544, 15864, 17847, 21816, 23796, 31728, 35694, 43632, 47592, 66761, 71388, 95184, 133522, 142776, 200283, 267044, 285552, 400566, 534088, 600849, 801132, 1068176, 1201698, 1602264, 1802547, 2403396, 3204528, 3605094, 4806792, 7210188, 9613584, 14420376, 28840752]

約数ペア:

[(1, 28840752), (2, 14420376), (3, 9613584), (4, 7210188), (6, 4806792), (8, 3605094), (9, 3204528), (12, 2403396), (16, 1802547), (18, 1602264), (24, 1201698), (27, 1068176), (36, 801132), (48, 600849), (54, 534088), (72, 400566), (101, 285552), (108, 267044), (144, 200283), (202, 142776), (216, 133522), (303, 95184), (404, 71388), (432, 66761), (606, 47592), (661, 43632), (808, 35694), (909, 31728), (1212, 23796), (1322, 21816), (1616, 17847), (1818, 15864), (1983, 14544), (2424, 11898), (2644, 10908), (2727, 10576), (3636, 7932), (3966, 7272), (4848, 5949), (5288, 5454)]