64428544

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:253

約数の個数: 80

約数和(自身を含む): 139946400

約数和(自身を除く): 75517856

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 64, 74, 76, 128, 148, 152, 179, 256, 296, 304, 358, 512, 592, 608, 703, 716, 1184, 1216, 1406, 1432, 2368, 2432, 2812, 2864, 3401, 4736, 4864, 5624, 5728, 6623, 6802, 9472, 9728, 11248, 11456, 13246, 13604, 18944, 22496, 22912, 26492, 27208, 44992, 45824, 52984, 54416, 89984, 91648, 105968, 108832, 125837, 179968, 211936, 217664, 251674, 359936, 423872, 435328, 503348, 847744, 870656, 1006696, 1695488, 1741312, 2013392, 3390976, 4026784, 8053568, 16107136, 32214272, 64428544]

約数ペア:

[(1, 64428544), (2, 32214272), (4, 16107136), (8, 8053568), (16, 4026784), (19, 3390976), (32, 2013392), (37, 1741312), (38, 1695488), (64, 1006696), (74, 870656), (76, 847744), (128, 503348), (148, 435328), (152, 423872), (179, 359936), (256, 251674), (296, 217664), (304, 211936), (358, 179968), (512, 125837), (592, 108832), (608, 105968), (703, 91648), (716, 89984), (1184, 54416), (1216, 52984), (1406, 45824), (1432, 44992), (2368, 27208), (2432, 26492), (2812, 22912), (2864, 22496), (3401, 18944), (4736, 13604), (4864, 13246), (5624, 11456), (5728, 11248), (6623, 9728), (6802, 9472)]