31220256

素因数分解:

$2^5\times 3^1\times {\mathrm{401}}^1\times {\mathrm{811}}^1$

素因数の和:1225

約数の個数: 48

約数和(自身を含む): 82258848

約数和(自身を除く): 51038592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 401, 802, 811, 1203, 1604, 1622, 2406, 2433, 3208, 3244, 4812, 4866, 6416, 6488, 9624, 9732, 12832, 12976, 19248, 19464, 25952, 38496, 38928, 77856, 325211, 650422, 975633, 1300844, 1951266, 2601688, 3902532, 5203376, 7805064, 10406752, 15610128, 31220256]

約数ペア:

[(1, 31220256), (2, 15610128), (3, 10406752), (4, 7805064), (6, 5203376), (8, 3902532), (12, 2601688), (16, 1951266), (24, 1300844), (32, 975633), (48, 650422), (96, 325211), (401, 77856), (802, 38928), (811, 38496), (1203, 25952), (1604, 19464), (1622, 19248), (2406, 12976), (2433, 12832), (3208, 9732), (3244, 9624), (4812, 6488), (4866, 6416)]