28291076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 58248960

約数和(自身を除く): 29957884

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 86, 172, 209, 418, 473, 787, 817, 836, 946, 1574, 1634, 1892, 3148, 3268, 8657, 8987, 14953, 17314, 17974, 29906, 33841, 34628, 35948, 59812, 67682, 135364, 164483, 328966, 372251, 642979, 657932, 744502, 1285958, 1489004, 2571916, 7072769, 14145538, 28291076]

約数ペア:

[(1, 28291076), (2, 14145538), (4, 7072769), (11, 2571916), (19, 1489004), (22, 1285958), (38, 744502), (43, 657932), (44, 642979), (76, 372251), (86, 328966), (172, 164483), (209, 135364), (418, 67682), (473, 59812), (787, 35948), (817, 34628), (836, 33841), (946, 29906), (1574, 17974), (1634, 17314), (1892, 14953), (3148, 8987), (3268, 8657)]