31090212

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1373}}^1$

素因数の和:1437

約数の個数: 72

約数和(自身を含む): 85523256

約数和(自身を除く): 54433044

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 37, 51, 68, 74, 102, 111, 148, 153, 204, 222, 306, 333, 444, 612, 629, 666, 1258, 1332, 1373, 1887, 2516, 2746, 3774, 4119, 5492, 5661, 7548, 8238, 11322, 12357, 16476, 22644, 23341, 24714, 46682, 49428, 50801, 70023, 93364, 101602, 140046, 152403, 203204, 210069, 280092, 304806, 420138, 457209, 609612, 840276, 863617, 914418, 1727234, 1828836, 2590851, 3454468, 5181702, 7772553, 10363404, 15545106, 31090212]

約数ペア:

[(1, 31090212), (2, 15545106), (3, 10363404), (4, 7772553), (6, 5181702), (9, 3454468), (12, 2590851), (17, 1828836), (18, 1727234), (34, 914418), (36, 863617), (37, 840276), (51, 609612), (68, 457209), (74, 420138), (102, 304806), (111, 280092), (148, 210069), (153, 203204), (204, 152403), (222, 140046), (306, 101602), (333, 93364), (444, 70023), (612, 50801), (629, 49428), (666, 46682), (1258, 24714), (1332, 23341), (1373, 22644), (1887, 16476), (2516, 12357), (2746, 11322), (3774, 8238), (4119, 7548), (5492, 5661)]