64761728

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:923

約数の個数: 64

約数和(自身を含む): 140352000

約数和(自身を除く): 75590272

約数列:

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

約数ペア:

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