31259470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 64696320

約数和(自身を除く): 33436850

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 89, 103, 110, 155, 178, 206, 310, 341, 445, 515, 682, 890, 979, 1030, 1133, 1705, 1958, 2266, 2759, 3193, 3410, 4895, 5518, 5665, 6386, 9167, 9790, 11330, 13795, 15965, 18334, 27590, 30349, 31930, 35123, 45835, 60698, 70246, 91670, 100837, 151745, 175615, 201674, 284177, 303490, 351230, 504185, 568354, 1008370, 1420885, 2841770, 3125947, 6251894, 15629735, 31259470]

約数ペア:

[(1, 31259470), (2, 15629735), (5, 6251894), (10, 3125947), (11, 2841770), (22, 1420885), (31, 1008370), (55, 568354), (62, 504185), (89, 351230), (103, 303490), (110, 284177), (155, 201674), (178, 175615), (206, 151745), (310, 100837), (341, 91670), (445, 70246), (515, 60698), (682, 45835), (890, 35123), (979, 31930), (1030, 30349), (1133, 27590), (1705, 18334), (1958, 15965), (2266, 13795), (2759, 11330), (3193, 9790), (3410, 9167), (4895, 6386), (5518, 5665)]