31873270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:781

約数の個数: 64

約数和(自身を含む): 69672960

約数和(自身を除く): 37799690

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 403, 682, 715, 719, 806, 1430, 1438, 1705, 2015, 3410, 3595, 4030, 4433, 7190, 7909, 8866, 9347, 15818, 18694, 22165, 22289, 39545, 44330, 44578, 46735, 79090, 93470, 102817, 111445, 205634, 222890, 245179, 289757, 490358, 514085, 579514, 1028170, 1225895, 1448785, 2451790, 2897570, 3187327, 6374654, 15936635, 31873270]

約数ペア:

[(1, 31873270), (2, 15936635), (5, 6374654), (10, 3187327), (11, 2897570), (13, 2451790), (22, 1448785), (26, 1225895), (31, 1028170), (55, 579514), (62, 514085), (65, 490358), (110, 289757), (130, 245179), (143, 222890), (155, 205634), (286, 111445), (310, 102817), (341, 93470), (403, 79090), (682, 46735), (715, 44578), (719, 44330), (806, 39545), (1430, 22289), (1438, 22165), (1705, 18694), (2015, 15818), (3410, 9347), (3595, 8866), (4030, 7909), (4433, 7190)]