664989184

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{41897}}^1$

素因数の和:41946

約数の個数: 40

約数和(自身を含む): 1371572928

約数和(自身を除く): 706583744

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 41897, 83794, 167588, 335176, 670352, 1298807, 1340704, 2597614, 2681408, 5195228, 5362816, 10390456, 10725632, 20780912, 21451264, 41561824, 83123648, 166247296, 332494592, 664989184]

約数ペア:

[(1, 664989184), (2, 332494592), (4, 166247296), (8, 83123648), (16, 41561824), (31, 21451264), (32, 20780912), (62, 10725632), (64, 10390456), (124, 5362816), (128, 5195228), (248, 2681408), (256, 2597614), (496, 1340704), (512, 1298807), (992, 670352), (1984, 335176), (3968, 167588), (7936, 83794), (15872, 41897)]