208778834

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{1019}}^1$

素因数の和:1238

約数の個数: 32

約数和(自身を含む): 349574400

約数和(自身を除く): 140795566

約数列:

[1, 2, 11, 22, 67, 134, 139, 278, 737, 1019, 1474, 1529, 2038, 3058, 9313, 11209, 18626, 22418, 68273, 102443, 136546, 141641, 204886, 283282, 751003, 1502006, 1558051, 3116102, 9489947, 18979894, 104389417, 208778834]

約数ペア:

[(1, 208778834), (2, 104389417), (11, 18979894), (22, 9489947), (67, 3116102), (134, 1558051), (139, 1502006), (278, 751003), (737, 283282), (1019, 204886), (1474, 141641), (1529, 136546), (2038, 102443), (3058, 68273), (9313, 22418), (11209, 18626)]