155421938

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{1049}}^1$

素因数の和:1634

約数の個数: 32

約数和(自身を含む): 281232000

約数和(自身を除く): 125810062

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 557, 1049, 1114, 2098, 3899, 7343, 7798, 10583, 14686, 19931, 21166, 39862, 74081, 139517, 148162, 279034, 584293, 1168586, 4090051, 8180102, 11101567, 22203134, 77710969, 155421938]

約数ペア:

[(1, 155421938), (2, 77710969), (7, 22203134), (14, 11101567), (19, 8180102), (38, 4090051), (133, 1168586), (266, 584293), (557, 279034), (1049, 148162), (1114, 139517), (2098, 74081), (3899, 39862), (7343, 21166), (7798, 19931), (10583, 14686)]