71781768

素因数分解:

$2^3\times 3^3\times {\mathrm{439}}^1\times {\mathrm{757}}^1$

素因数の和:1211

約数の個数: 64

約数和(自身を含む): 200112000

約数和(自身を除く): 128330232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 439, 757, 878, 1317, 1514, 1756, 2271, 2634, 3028, 3512, 3951, 4542, 5268, 6056, 6813, 7902, 9084, 10536, 11853, 13626, 15804, 18168, 20439, 23706, 27252, 31608, 40878, 47412, 54504, 81756, 94824, 163512, 332323, 664646, 996969, 1329292, 1993938, 2658584, 2990907, 3987876, 5981814, 7975752, 8972721, 11963628, 17945442, 23927256, 35890884, 71781768]

約数ペア:

[(1, 71781768), (2, 35890884), (3, 23927256), (4, 17945442), (6, 11963628), (8, 8972721), (9, 7975752), (12, 5981814), (18, 3987876), (24, 2990907), (27, 2658584), (36, 1993938), (54, 1329292), (72, 996969), (108, 664646), (216, 332323), (439, 163512), (757, 94824), (878, 81756), (1317, 54504), (1514, 47412), (1756, 40878), (2271, 31608), (2634, 27252), (3028, 23706), (3512, 20439), (3951, 18168), (4542, 15804), (5268, 13626), (6056, 11853), (6813, 10536), (7902, 9084)]