28491628

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:143

約数の個数: 54

約数和(自身を含む): 57636348

約数和(自身を除く): 29144720

約数列:

[1, 2, 4, 11, 22, 37, 43, 44, 74, 86, 121, 148, 172, 242, 407, 473, 484, 814, 946, 1369, 1591, 1628, 1892, 2738, 3182, 4477, 5203, 5476, 6364, 8954, 10406, 15059, 17501, 17908, 20812, 30118, 35002, 58867, 60236, 70004, 117734, 165649, 192511, 235468, 331298, 385022, 647537, 662596, 770044, 1295074, 2590148, 7122907, 14245814, 28491628]

約数ペア:

[(1, 28491628), (2, 14245814), (4, 7122907), (11, 2590148), (22, 1295074), (37, 770044), (43, 662596), (44, 647537), (74, 385022), (86, 331298), (121, 235468), (148, 192511), (172, 165649), (242, 117734), (407, 70004), (473, 60236), (484, 58867), (814, 35002), (946, 30118), (1369, 20812), (1591, 17908), (1628, 17501), (1892, 15059), (2738, 10406), (3182, 8954), (4477, 6364), (5203, 5476)]