919949095

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2\times {\mathrm{149}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 1251280800

約数和(自身を除く): 331331705

約数列:

[1, 5, 13, 43, 47, 65, 149, 215, 235, 559, 611, 745, 1937, 2021, 2209, 2795, 3055, 6407, 7003, 9685, 10105, 11045, 26273, 28717, 32035, 35015, 83291, 91039, 94987, 131365, 143585, 301129, 329141, 416455, 455195, 474935, 1234831, 1505645, 1645705, 3914677, 4278833, 6174155, 14153063, 19573385, 21394165, 70765315, 183989819, 919949095]

約数ペア:

[(1, 919949095), (5, 183989819), (13, 70765315), (43, 21394165), (47, 19573385), (65, 14153063), (149, 6174155), (215, 4278833), (235, 3914677), (559, 1645705), (611, 1505645), (745, 1234831), (1937, 474935), (2021, 455195), (2209, 416455), (2795, 329141), (3055, 301129), (6407, 143585), (7003, 131365), (9685, 94987), (10105, 91039), (11045, 83291), (26273, 35015), (28717, 32035)]