208603835

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 280857024

約数和(自身を除く): 72253189

約数列:

[1, 5, 11, 55, 61, 97, 305, 485, 641, 671, 1067, 3205, 3355, 5335, 5917, 7051, 29585, 35255, 39101, 62177, 65087, 195505, 310885, 325435, 430111, 683947, 2150555, 3419735, 3792797, 18963985, 41720767, 208603835]

約数ペア:

[(1, 208603835), (5, 41720767), (11, 18963985), (55, 3792797), (61, 3419735), (97, 2150555), (305, 683947), (485, 430111), (641, 325435), (671, 310885), (1067, 195505), (3205, 65087), (3355, 62177), (5335, 39101), (5917, 35255), (7051, 29585)]