398429552

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{17749}}^1$

素因数の和:17841

約数の個数: 40

約数和(自身を含む): 818772000

約数和(自身を除く): 420342448

約数列:

[1, 2, 4, 8, 16, 23, 46, 61, 92, 122, 184, 244, 368, 488, 976, 1403, 2806, 5612, 11224, 17749, 22448, 35498, 70996, 141992, 283984, 408227, 816454, 1082689, 1632908, 2165378, 3265816, 4330756, 6531632, 8661512, 17323024, 24901847, 49803694, 99607388, 199214776, 398429552]

約数ペア:

[(1, 398429552), (2, 199214776), (4, 99607388), (8, 49803694), (16, 24901847), (23, 17323024), (46, 8661512), (61, 6531632), (92, 4330756), (122, 3265816), (184, 2165378), (244, 1632908), (368, 1082689), (488, 816454), (976, 408227), (1403, 283984), (2806, 141992), (5612, 70996), (11224, 35498), (17749, 22448)]