28152288

素因数分解:

$2^5\times 3^2\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:664

約数の個数: 72

約数和(自身を含む): 80589600

約数和(自身を除く): 52437312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 239, 288, 409, 478, 717, 818, 956, 1227, 1434, 1636, 1912, 2151, 2454, 2868, 3272, 3681, 3824, 4302, 4908, 5736, 6544, 7362, 7648, 8604, 9816, 11472, 13088, 14724, 17208, 19632, 22944, 29448, 34416, 39264, 58896, 68832, 97751, 117792, 195502, 293253, 391004, 586506, 782008, 879759, 1173012, 1564016, 1759518, 2346024, 3128032, 3519036, 4692048, 7038072, 9384096, 14076144, 28152288]

約数ペア:

[(1, 28152288), (2, 14076144), (3, 9384096), (4, 7038072), (6, 4692048), (8, 3519036), (9, 3128032), (12, 2346024), (16, 1759518), (18, 1564016), (24, 1173012), (32, 879759), (36, 782008), (48, 586506), (72, 391004), (96, 293253), (144, 195502), (239, 117792), (288, 97751), (409, 68832), (478, 58896), (717, 39264), (818, 34416), (956, 29448), (1227, 22944), (1434, 19632), (1636, 17208), (1912, 14724), (2151, 13088), (2454, 11472), (2868, 9816), (3272, 8604), (3681, 7648), (3824, 7362), (4302, 6544), (4908, 5736)]