81694564

素因数分解:

$2^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{4297}}^1$

素因数の和:4412

約数の個数: 36

約数和(自身を含む): 168060396

約数和(自身を除く): 86365832

約数列:

[1, 2, 4, 7, 14, 28, 49, 97, 98, 194, 196, 388, 679, 1358, 2716, 4297, 4753, 8594, 9506, 17188, 19012, 30079, 60158, 120316, 210553, 416809, 421106, 833618, 842212, 1667236, 2917663, 5835326, 11670652, 20423641, 40847282, 81694564]

約数ペア:

[(1, 81694564), (2, 40847282), (4, 20423641), (7, 11670652), (14, 5835326), (28, 2917663), (49, 1667236), (97, 842212), (98, 833618), (194, 421106), (196, 416809), (388, 210553), (679, 120316), (1358, 60158), (2716, 30079), (4297, 19012), (4753, 17188), (8594, 9506)]