642740063

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{1009}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 801083520

約数和(自身を除く): 158343457

約数列:

[1, 7, 17, 53, 101, 119, 371, 707, 901, 1009, 1717, 5353, 6307, 7063, 12019, 17153, 37471, 53477, 91001, 101909, 120071, 374339, 637007, 713363, 909109, 1732453, 5401177, 6363763, 12127171, 37808239, 91820009, 642740063]

約数ペア:

[(1, 642740063), (7, 91820009), (17, 37808239), (53, 12127171), (101, 6363763), (119, 5401177), (371, 1732453), (707, 909109), (901, 713363), (1009, 637007), (1717, 374339), (5353, 120071), (6307, 101909), (7063, 91001), (12019, 53477), (17153, 37471)]