201640355

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1531}}^1$

素因数の和:1667

約数の個数: 32

約数和(自身を含む): 285907968

約数和(自身を除く): 84267613

約数列:

[1, 5, 7, 35, 53, 71, 265, 355, 371, 497, 1531, 1855, 2485, 3763, 7655, 10717, 18815, 26341, 53585, 81143, 108701, 131705, 405715, 543505, 568001, 760907, 2840005, 3804535, 5761153, 28805765, 40328071, 201640355]

約数ペア:

[(1, 201640355), (5, 40328071), (7, 28805765), (35, 5761153), (53, 3804535), (71, 2840005), (265, 760907), (355, 568001), (371, 543505), (497, 405715), (1531, 131705), (1855, 108701), (2485, 81143), (3763, 53585), (7655, 26341), (10717, 18815)]