215758072

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 442260000

約数和(自身を除く): 226501928

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 89, 152, 164, 178, 328, 356, 389, 712, 778, 779, 1556, 1558, 1691, 3112, 3116, 3382, 3649, 6232, 6764, 7298, 7391, 13528, 14596, 14782, 15949, 29192, 29564, 31898, 34621, 59128, 63796, 69242, 69331, 127592, 138484, 138662, 276968, 277324, 303031, 554648, 606062, 657799, 1212124, 1315598, 1419461, 2424248, 2631196, 2838922, 5262392, 5677844, 11355688, 26969759, 53939518, 107879036, 215758072]

約数ペア:

[(1, 215758072), (2, 107879036), (4, 53939518), (8, 26969759), (19, 11355688), (38, 5677844), (41, 5262392), (76, 2838922), (82, 2631196), (89, 2424248), (152, 1419461), (164, 1315598), (178, 1212124), (328, 657799), (356, 606062), (389, 554648), (712, 303031), (778, 277324), (779, 276968), (1556, 138662), (1558, 138484), (1691, 127592), (3112, 69331), (3116, 69242), (3382, 63796), (3649, 59128), (6232, 34621), (6764, 31898), (7298, 29564), (7391, 29192), (13528, 15949), (14596, 14782)]