16681672

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 37537920

約数和(自身を除く): 20856248

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 83, 97, 148, 166, 194, 259, 296, 332, 388, 518, 581, 664, 679, 776, 1036, 1162, 1358, 2072, 2324, 2716, 3071, 3589, 4648, 5432, 6142, 7178, 8051, 12284, 14356, 16102, 21497, 24568, 25123, 28712, 32204, 42994, 50246, 56357, 64408, 85988, 100492, 112714, 171976, 200984, 225428, 297887, 450856, 595774, 1191548, 2085209, 2383096, 4170418, 8340836, 16681672]

約数ペア:

[(1, 16681672), (2, 8340836), (4, 4170418), (7, 2383096), (8, 2085209), (14, 1191548), (28, 595774), (37, 450856), (56, 297887), (74, 225428), (83, 200984), (97, 171976), (148, 112714), (166, 100492), (194, 85988), (259, 64408), (296, 56357), (332, 50246), (388, 42994), (518, 32204), (581, 28712), (664, 25123), (679, 24568), (776, 21497), (1036, 16102), (1162, 14356), (1358, 12284), (2072, 8051), (2324, 7178), (2716, 6142), (3071, 5432), (3589, 4648)]