81251144

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{3163}}^1$

素因数の和:3214

約数の個数: 48

約数和(自身を含む): 173703600

約数和(自身を除く): 92452456

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 169, 247, 338, 494, 676, 988, 1352, 1976, 3163, 3211, 6326, 6422, 12652, 12844, 25304, 25688, 41119, 60097, 82238, 120194, 164476, 240388, 328952, 480776, 534547, 781261, 1069094, 1562522, 2138188, 3125044, 4276376, 6250088, 10156393, 20312786, 40625572, 81251144]

約数ペア:

[(1, 81251144), (2, 40625572), (4, 20312786), (8, 10156393), (13, 6250088), (19, 4276376), (26, 3125044), (38, 2138188), (52, 1562522), (76, 1069094), (104, 781261), (152, 534547), (169, 480776), (247, 328952), (338, 240388), (494, 164476), (676, 120194), (988, 82238), (1352, 60097), (1976, 41119), (3163, 25688), (3211, 25304), (6326, 12844), (6422, 12652)]