253563136

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 529804800

約数和(自身を除く): 276241664

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 89, 124, 128, 178, 248, 256, 356, 359, 496, 712, 718, 992, 1424, 1436, 1984, 2759, 2848, 2872, 3968, 5518, 5696, 5744, 7936, 11036, 11129, 11392, 11488, 22072, 22258, 22784, 22976, 31951, 44144, 44516, 45952, 63902, 88288, 89032, 91904, 127804, 176576, 178064, 255608, 353152, 356128, 511216, 706304, 712256, 990481, 1022432, 1424512, 1980962, 2044864, 2849024, 3961924, 4089728, 7923848, 8179456, 15847696, 31695392, 63390784, 126781568, 253563136]

約数ペア:

[(1, 253563136), (2, 126781568), (4, 63390784), (8, 31695392), (16, 15847696), (31, 8179456), (32, 7923848), (62, 4089728), (64, 3961924), (89, 2849024), (124, 2044864), (128, 1980962), (178, 1424512), (248, 1022432), (256, 990481), (356, 712256), (359, 706304), (496, 511216), (712, 356128), (718, 353152), (992, 255608), (1424, 178064), (1436, 176576), (1984, 127804), (2759, 91904), (2848, 89032), (2872, 88288), (3968, 63902), (5518, 45952), (5696, 44516), (5744, 44144), (7936, 31951), (11036, 22976), (11129, 22784), (11392, 22258), (11488, 22072)]