161755984

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{367}}^1$

素因数の和:564

約数の個数: 60

約数和(自身を含む): 342376896

約数和(自身を除く): 180620912

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 163, 169, 208, 326, 338, 367, 652, 676, 734, 1304, 1352, 1468, 2119, 2608, 2704, 2936, 4238, 4771, 5872, 8476, 9542, 16952, 19084, 27547, 33904, 38168, 55094, 59821, 62023, 76336, 110188, 119642, 124046, 220376, 239284, 248092, 440752, 478568, 496184, 777673, 957136, 992368, 1555346, 3110692, 6221384, 10109749, 12442768, 20219498, 40438996, 80877992, 161755984]

約数ペア:

[(1, 161755984), (2, 80877992), (4, 40438996), (8, 20219498), (13, 12442768), (16, 10109749), (26, 6221384), (52, 3110692), (104, 1555346), (163, 992368), (169, 957136), (208, 777673), (326, 496184), (338, 478568), (367, 440752), (652, 248092), (676, 239284), (734, 220376), (1304, 124046), (1352, 119642), (1468, 110188), (2119, 76336), (2608, 62023), (2704, 59821), (2936, 55094), (4238, 38168), (4771, 33904), (5872, 27547), (8476, 19084), (9542, 16952)]