31306912

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{827}}^1$

素因数の和:870

約数の個数: 72

約数和(自身を含む): 76368096

約数和(自身を除く): 45061184

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 169, 182, 208, 224, 338, 364, 416, 676, 728, 827, 1183, 1352, 1456, 1654, 2366, 2704, 2912, 3308, 4732, 5408, 5789, 6616, 9464, 10751, 11578, 13232, 18928, 21502, 23156, 26464, 37856, 43004, 46312, 75257, 86008, 92624, 139763, 150514, 172016, 185248, 279526, 301028, 344032, 559052, 602056, 978341, 1118104, 1204112, 1956682, 2236208, 2408224, 3913364, 4472416, 7826728, 15653456, 31306912]

約数ペア:

[(1, 31306912), (2, 15653456), (4, 7826728), (7, 4472416), (8, 3913364), (13, 2408224), (14, 2236208), (16, 1956682), (26, 1204112), (28, 1118104), (32, 978341), (52, 602056), (56, 559052), (91, 344032), (104, 301028), (112, 279526), (169, 185248), (182, 172016), (208, 150514), (224, 139763), (338, 92624), (364, 86008), (416, 75257), (676, 46312), (728, 43004), (827, 37856), (1183, 26464), (1352, 23156), (1456, 21502), (1654, 18928), (2366, 13232), (2704, 11578), (2912, 10751), (3308, 9464), (4732, 6616), (5408, 5789)]