291239284

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{1427}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 601679232

約数和(自身を除く): 310439948

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 197, 259, 394, 518, 788, 1036, 1379, 1427, 2758, 2854, 5516, 5708, 7289, 9989, 14578, 19978, 29156, 39956, 51023, 52799, 102046, 105598, 204092, 211196, 281119, 369593, 562238, 739186, 1124476, 1478372, 1967833, 3935666, 7871332, 10401403, 20802806, 41605612, 72809821, 145619642, 291239284]

約数ペア:

[(1, 291239284), (2, 145619642), (4, 72809821), (7, 41605612), (14, 20802806), (28, 10401403), (37, 7871332), (74, 3935666), (148, 1967833), (197, 1478372), (259, 1124476), (394, 739186), (518, 562238), (788, 369593), (1036, 281119), (1379, 211196), (1427, 204092), (2758, 105598), (2854, 102046), (5516, 52799), (5708, 51023), (7289, 39956), (9989, 29156), (14578, 19978)]