81723104

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{967}}^1$

素因数の和:1135

約数の個数: 48

約数和(自身を含む): 170755200

約数和(自身を除く): 89032096

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 139, 152, 278, 304, 556, 608, 967, 1112, 1934, 2224, 2641, 3868, 4448, 5282, 7736, 10564, 15472, 18373, 21128, 30944, 36746, 42256, 73492, 84512, 134413, 146984, 268826, 293968, 537652, 587936, 1075304, 2150608, 2553847, 4301216, 5107694, 10215388, 20430776, 40861552, 81723104]

約数ペア:

[(1, 81723104), (2, 40861552), (4, 20430776), (8, 10215388), (16, 5107694), (19, 4301216), (32, 2553847), (38, 2150608), (76, 1075304), (139, 587936), (152, 537652), (278, 293968), (304, 268826), (556, 146984), (608, 134413), (967, 84512), (1112, 73492), (1934, 42256), (2224, 36746), (2641, 30944), (3868, 21128), (4448, 18373), (5282, 15472), (7736, 10564)]