320243119

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 396264960

約数和(自身を除く): 76021841

約数列:

[1, 7, 19, 53, 133, 181, 251, 371, 1007, 1267, 1757, 3439, 4769, 7049, 9593, 13303, 24073, 33383, 45431, 67151, 93121, 182267, 252757, 318017, 863189, 1275869, 1769299, 2407843, 6042323, 16854901, 45749017, 320243119]

約数ペア:

[(1, 320243119), (7, 45749017), (19, 16854901), (53, 6042323), (133, 2407843), (181, 1769299), (251, 1275869), (371, 863189), (1007, 318017), (1267, 252757), (1757, 182267), (3439, 93121), (4769, 67151), (7049, 45431), (9593, 33383), (13303, 24073)]