51081728

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 80

約数和(自身を含む): 110484000

約数和(自身を除く): 59402272

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 64, 76, 89, 118, 128, 152, 178, 236, 256, 304, 356, 472, 512, 608, 712, 944, 1121, 1216, 1424, 1691, 1888, 2242, 2432, 2848, 3382, 3776, 4484, 4864, 5251, 5696, 6764, 7552, 8968, 9728, 10502, 11392, 13528, 15104, 17936, 21004, 22784, 27056, 30208, 35872, 42008, 45568, 54112, 71744, 84016, 99769, 108224, 143488, 168032, 199538, 216448, 286976, 336064, 399076, 432896, 573952, 672128, 798152, 865792, 1344256, 1596304, 2688512, 3192608, 6385216, 12770432, 25540864, 51081728]

約数ペア:

[(1, 51081728), (2, 25540864), (4, 12770432), (8, 6385216), (16, 3192608), (19, 2688512), (32, 1596304), (38, 1344256), (59, 865792), (64, 798152), (76, 672128), (89, 573952), (118, 432896), (128, 399076), (152, 336064), (178, 286976), (236, 216448), (256, 199538), (304, 168032), (356, 143488), (472, 108224), (512, 99769), (608, 84016), (712, 71744), (944, 54112), (1121, 45568), (1216, 42008), (1424, 35872), (1691, 30208), (1888, 27056), (2242, 22784), (2432, 21004), (2848, 17936), (3382, 15104), (3776, 13528), (4484, 11392), (4864, 10502), (5251, 9728), (5696, 8968), (6764, 7552)]