66971408

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19289}}^1$

素因数の和:19335

約数の個数: 40

約数和(自身を含む): 153085440

約数和(自身を除く): 86114032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 19289, 38578, 77156, 135023, 154312, 270046, 308624, 540092, 597959, 1080184, 1195918, 2160368, 2391836, 4185713, 4783672, 8371426, 9567344, 16742852, 33485704, 66971408]

約数ペア:

[(1, 66971408), (2, 33485704), (4, 16742852), (7, 9567344), (8, 8371426), (14, 4783672), (16, 4185713), (28, 2391836), (31, 2160368), (56, 1195918), (62, 1080184), (112, 597959), (124, 540092), (217, 308624), (248, 270046), (434, 154312), (496, 135023), (868, 77156), (1736, 38578), (3472, 19289)]