31895110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 67032000

約数和(自身を除く): 35136890

約数列:

[1, 2, 5, 10, 13, 19, 26, 37, 38, 65, 74, 95, 130, 185, 190, 247, 349, 370, 481, 494, 698, 703, 962, 1235, 1406, 1745, 2405, 2470, 3490, 3515, 4537, 4810, 6631, 7030, 9074, 9139, 12913, 13262, 18278, 22685, 25826, 33155, 45370, 45695, 64565, 66310, 86203, 91390, 129130, 167869, 172406, 245347, 335738, 431015, 490694, 839345, 862030, 1226735, 1678690, 2453470, 3189511, 6379022, 15947555, 31895110]

約数ペア:

[(1, 31895110), (2, 15947555), (5, 6379022), (10, 3189511), (13, 2453470), (19, 1678690), (26, 1226735), (37, 862030), (38, 839345), (65, 490694), (74, 431015), (95, 335738), (130, 245347), (185, 172406), (190, 167869), (247, 129130), (349, 91390), (370, 86203), (481, 66310), (494, 64565), (698, 45695), (703, 45370), (962, 33155), (1235, 25826), (1406, 22685), (1745, 18278), (2405, 13262), (2470, 12913), (3490, 9139), (3515, 9074), (4537, 7030), (4810, 6631)]