394431412

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1091}}^1$

素因数の和:1252

約数の個数: 48

約数和(自身を含む): 748500480

約数和(自身を除く): 354069068

約数列:

[1, 2, 4, 19, 38, 67, 71, 76, 134, 142, 268, 284, 1091, 1273, 1349, 2182, 2546, 2698, 4364, 4757, 5092, 5396, 9514, 19028, 20729, 41458, 73097, 77461, 82916, 90383, 146194, 154922, 180766, 292388, 309844, 361532, 1388843, 1471759, 2777686, 2943518, 5189887, 5555372, 5887036, 10379774, 20759548, 98607853, 197215706, 394431412]

約数ペア:

[(1, 394431412), (2, 197215706), (4, 98607853), (19, 20759548), (38, 10379774), (67, 5887036), (71, 5555372), (76, 5189887), (134, 2943518), (142, 2777686), (268, 1471759), (284, 1388843), (1091, 361532), (1273, 309844), (1349, 292388), (2182, 180766), (2546, 154922), (2698, 146194), (4364, 90383), (4757, 82916), (5092, 77461), (5396, 73097), (9514, 41458), (19028, 20729)]