81308032

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 176243760

約数和(自身を除く): 94935728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 131, 208, 262, 373, 416, 524, 746, 832, 1048, 1492, 1664, 1703, 2096, 2984, 3406, 4192, 4849, 5968, 6812, 8384, 9698, 11936, 13624, 16768, 19396, 23872, 27248, 38792, 47744, 48863, 54496, 77584, 97726, 108992, 155168, 195452, 217984, 310336, 390904, 620672, 635219, 781808, 1270438, 1563616, 2540876, 3127232, 5081752, 6254464, 10163504, 20327008, 40654016, 81308032]

約数ペア:

[(1, 81308032), (2, 40654016), (4, 20327008), (8, 10163504), (13, 6254464), (16, 5081752), (26, 3127232), (32, 2540876), (52, 1563616), (64, 1270438), (104, 781808), (128, 635219), (131, 620672), (208, 390904), (262, 310336), (373, 217984), (416, 195452), (524, 155168), (746, 108992), (832, 97726), (1048, 77584), (1492, 54496), (1664, 48863), (1703, 47744), (2096, 38792), (2984, 27248), (3406, 23872), (4192, 19396), (4849, 16768), (5968, 13624), (6812, 11936), (8384, 9698)]