78290817

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 117504000

約数和(自身を除く): 39213183

約数列:

[1, 3, 11, 33, 59, 79, 177, 237, 509, 649, 869, 1527, 1947, 2607, 4661, 5599, 13983, 16797, 30031, 40211, 51271, 90093, 120633, 153813, 330341, 442321, 991023, 1326963, 2372449, 7117347, 26096939, 78290817]

約数ペア:

[(1, 78290817), (3, 26096939), (11, 7117347), (33, 2372449), (59, 1326963), (79, 991023), (177, 442321), (237, 330341), (509, 153813), (649, 120633), (869, 90093), (1527, 51271), (1947, 40211), (2607, 30031), (4661, 16797), (5599, 13983)]