1639806688

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{83869}}^1$

素因数の和:83939

約数の個数: 48

約数和(自身を含む): 3550720320

約数和(自身を除く): 1910913632

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 94, 104, 188, 208, 376, 416, 611, 752, 1222, 1504, 2444, 4888, 9776, 19552, 83869, 167738, 335476, 670952, 1090297, 1341904, 2180594, 2683808, 3941843, 4361188, 7883686, 8722376, 15767372, 17444752, 31534744, 34889504, 51243959, 63069488, 102487918, 126138976, 204975836, 409951672, 819903344, 1639806688]

約数ペア:

[(1, 1639806688), (2, 819903344), (4, 409951672), (8, 204975836), (13, 126138976), (16, 102487918), (26, 63069488), (32, 51243959), (47, 34889504), (52, 31534744), (94, 17444752), (104, 15767372), (188, 8722376), (208, 7883686), (376, 4361188), (416, 3941843), (611, 2683808), (752, 2180594), (1222, 1341904), (1504, 1090297), (2444, 670952), (4888, 335476), (9776, 167738), (19552, 83869)]