28731972

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1109}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 71608320

約数和(自身を除く): 42876348

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 127, 204, 254, 381, 508, 762, 1109, 1524, 2159, 2218, 3327, 4318, 4436, 6477, 6654, 8636, 12954, 13308, 18853, 25908, 37706, 56559, 75412, 113118, 140843, 226236, 281686, 422529, 563372, 845058, 1690116, 2394331, 4788662, 7182993, 9577324, 14365986, 28731972]

約数ペア:

[(1, 28731972), (2, 14365986), (3, 9577324), (4, 7182993), (6, 4788662), (12, 2394331), (17, 1690116), (34, 845058), (51, 563372), (68, 422529), (102, 281686), (127, 226236), (204, 140843), (254, 113118), (381, 75412), (508, 56559), (762, 37706), (1109, 25908), (1524, 18853), (2159, 13308), (2218, 12954), (3327, 8636), (4318, 6654), (4436, 6477)]