31790252

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 65423232

約数和(自身を除く): 33632980

約数列:

[1, 2, 4, 13, 26, 31, 37, 41, 52, 62, 74, 82, 124, 148, 164, 169, 338, 403, 481, 533, 676, 806, 962, 1066, 1147, 1271, 1517, 1612, 1924, 2132, 2294, 2542, 3034, 4588, 5084, 5239, 6068, 6253, 6929, 10478, 12506, 13858, 14911, 16523, 19721, 20956, 25012, 27716, 29822, 33046, 39442, 47027, 59644, 66092, 78884, 94054, 188108, 193843, 214799, 256373, 387686, 429598, 512746, 611351, 775372, 859196, 1025492, 1222702, 2445404, 7947563, 15895126, 31790252]

約数ペア:

[(1, 31790252), (2, 15895126), (4, 7947563), (13, 2445404), (26, 1222702), (31, 1025492), (37, 859196), (41, 775372), (52, 611351), (62, 512746), (74, 429598), (82, 387686), (124, 256373), (148, 214799), (164, 193843), (169, 188108), (338, 94054), (403, 78884), (481, 66092), (533, 59644), (676, 47027), (806, 39442), (962, 33046), (1066, 29822), (1147, 27716), (1271, 25012), (1517, 20956), (1612, 19721), (1924, 16523), (2132, 14911), (2294, 13858), (2542, 12506), (3034, 10478), (4588, 6929), (5084, 6253), (5239, 6068)]