72709216

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1103

約数の個数: 48

約数和(自身を含む): 149388624

約数和(自身を除く): 76679408

約数列:

[1, 2, 4, 8, 16, 32, 43, 53, 86, 106, 172, 212, 344, 424, 688, 848, 997, 1376, 1696, 1994, 2279, 3988, 4558, 7976, 9116, 15952, 18232, 31904, 36464, 42871, 52841, 72928, 85742, 105682, 171484, 211364, 342968, 422728, 685936, 845456, 1371872, 1690912, 2272163, 4544326, 9088652, 18177304, 36354608, 72709216]

約数ペア:

[(1, 72709216), (2, 36354608), (4, 18177304), (8, 9088652), (16, 4544326), (32, 2272163), (43, 1690912), (53, 1371872), (86, 845456), (106, 685936), (172, 422728), (212, 342968), (344, 211364), (424, 171484), (688, 105682), (848, 85742), (997, 72928), (1376, 52841), (1696, 42871), (1994, 36464), (2279, 31904), (3988, 18232), (4558, 15952), (7976, 9116)]