129523456

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:925

約数の個数: 72

約数和(自身を含む): 281254400

約数和(自身を除く): 151730944

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 304, 496, 589, 608, 859, 992, 1178, 1216, 1718, 1984, 2356, 2432, 3436, 3968, 4712, 4864, 6872, 7936, 9424, 13744, 16321, 18848, 26629, 27488, 32642, 37696, 53258, 54976, 65284, 75392, 106516, 109952, 130568, 150784, 213032, 219904, 261136, 426064, 505951, 522272, 852128, 1011902, 1044544, 1704256, 2023804, 2089088, 3408512, 4047608, 4178176, 6817024, 8095216, 16190432, 32380864, 64761728, 129523456]

約数ペア:

[(1, 129523456), (2, 64761728), (4, 32380864), (8, 16190432), (16, 8095216), (19, 6817024), (31, 4178176), (32, 4047608), (38, 3408512), (62, 2089088), (64, 2023804), (76, 1704256), (124, 1044544), (128, 1011902), (152, 852128), (248, 522272), (256, 505951), (304, 426064), (496, 261136), (589, 219904), (608, 213032), (859, 150784), (992, 130568), (1178, 109952), (1216, 106516), (1718, 75392), (1984, 65284), (2356, 54976), (2432, 53258), (3436, 37696), (3968, 32642), (4712, 27488), (4864, 26629), (6872, 18848), (7936, 16321), (9424, 13744)]