2777471281

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 3194755200

約数和(自身を除く): 417283919

約数列:

[1, 13, 19, 137, 211, 247, 389, 1781, 2603, 2743, 4009, 5057, 7391, 28907, 33839, 52117, 53293, 82079, 96083, 375791, 549233, 692809, 1012567, 1067027, 1559501, 7140029, 11244823, 13163371, 20273513, 146182699, 213651637, 2777471281]

約数ペア:

[(1, 2777471281), (13, 213651637), (19, 146182699), (137, 20273513), (211, 13163371), (247, 11244823), (389, 7140029), (1781, 1559501), (2603, 1067027), (2743, 1012567), (4009, 692809), (5057, 549233), (7391, 375791), (28907, 96083), (33839, 82079), (52117, 53293)]