1999638515

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{6353}}^1$

素因数の和:6428

約数の個数: 48

約数和(自身を含む): 3035890368

約数和(自身を除く): 1036251853

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 529, 595, 805, 1955, 2645, 2737, 3703, 6353, 8993, 13685, 18515, 31765, 44471, 44965, 62951, 108001, 146119, 222355, 314755, 540005, 730595, 756007, 1022833, 2484023, 3360737, 3780035, 5114165, 12420115, 16803685, 17388161, 23525159, 57132529, 86940805, 117625795, 285662645, 399927703, 1999638515]

約数ペア:

[(1, 1999638515), (5, 399927703), (7, 285662645), (17, 117625795), (23, 86940805), (35, 57132529), (85, 23525159), (115, 17388161), (119, 16803685), (161, 12420115), (391, 5114165), (529, 3780035), (595, 3360737), (805, 2484023), (1955, 1022833), (2645, 756007), (2737, 730595), (3703, 540005), (6353, 314755), (8993, 222355), (13685, 146119), (18515, 108001), (31765, 62951), (44471, 44965)]