213893456

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{112339}}^1$

素因数の和:112371

約数の個数: 40

約数和(自身を含む): 501485760

約数和(自身を除く): 287592304

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 112339, 224678, 449356, 786373, 898712, 1572746, 1797424, 1909763, 3145492, 3819526, 6290984, 7639052, 12581968, 13368341, 15278104, 26736682, 30556208, 53473364, 106946728, 213893456]

約数ペア:

[(1, 213893456), (2, 106946728), (4, 53473364), (7, 30556208), (8, 26736682), (14, 15278104), (16, 13368341), (17, 12581968), (28, 7639052), (34, 6290984), (56, 3819526), (68, 3145492), (112, 1909763), (119, 1797424), (136, 1572746), (238, 898712), (272, 786373), (476, 449356), (952, 224678), (1904, 112339)]