163661890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1657}}^1$

素因数の和:1771

約数の個数: 64

約数和(自身を含む): 360993024

約数和(自身を除く): 197331134

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 83, 85, 119, 166, 170, 238, 415, 581, 595, 830, 1162, 1190, 1411, 1657, 2822, 2905, 3314, 5810, 7055, 8285, 9877, 11599, 14110, 16570, 19754, 23198, 28169, 49385, 56338, 57995, 98770, 115990, 137531, 140845, 197183, 275062, 281690, 394366, 687655, 962717, 985915, 1375310, 1925434, 1971830, 2338027, 4676054, 4813585, 9627170, 11690135, 16366189, 23380270, 32732378, 81830945, 163661890]

約数ペア:

[(1, 163661890), (2, 81830945), (5, 32732378), (7, 23380270), (10, 16366189), (14, 11690135), (17, 9627170), (34, 4813585), (35, 4676054), (70, 2338027), (83, 1971830), (85, 1925434), (119, 1375310), (166, 985915), (170, 962717), (238, 687655), (415, 394366), (581, 281690), (595, 275062), (830, 197183), (1162, 140845), (1190, 137531), (1411, 115990), (1657, 98770), (2822, 57995), (2905, 56338), (3314, 49385), (5810, 28169), (7055, 23198), (8285, 19754), (9877, 16570), (11599, 14110)]