31727384

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 66582720

約数和(自身を除く): 34855336

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 169, 248, 338, 403, 676, 757, 806, 1352, 1514, 1612, 3028, 3224, 5239, 6056, 9841, 10478, 19682, 20956, 23467, 39364, 41912, 46934, 78728, 93868, 127933, 187736, 255866, 305071, 511732, 610142, 1023464, 1220284, 2440568, 3965923, 7931846, 15863692, 31727384]

約数ペア:

[(1, 31727384), (2, 15863692), (4, 7931846), (8, 3965923), (13, 2440568), (26, 1220284), (31, 1023464), (52, 610142), (62, 511732), (104, 305071), (124, 255866), (169, 187736), (248, 127933), (338, 93868), (403, 78728), (676, 46934), (757, 41912), (806, 39364), (1352, 23467), (1514, 20956), (1612, 19682), (3028, 10478), (3224, 9841), (5239, 6056)]