1388672

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 2917200

約数和(自身を除く): 1528528

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 571, 608, 1142, 1216, 2284, 2432, 4568, 9136, 10849, 18272, 21698, 36544, 43396, 73088, 86792, 173584, 347168, 694336, 1388672]

約数ペア:

[(1, 1388672), (2, 694336), (4, 347168), (8, 173584), (16, 86792), (19, 73088), (32, 43396), (38, 36544), (64, 21698), (76, 18272), (128, 10849), (152, 9136), (304, 4568), (571, 2432), (608, 2284), (1142, 1216)]