388645904

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{463}}^1\times {\mathrm{2281}}^1$

素因数の和:2775

約数の個数: 40

約数和(自身を含む): 787782912

約数和(自身を除く): 399137008

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 463, 926, 1852, 2281, 3704, 4562, 7408, 9124, 10649, 18248, 21298, 36496, 42596, 52463, 85192, 104926, 170384, 209852, 419704, 839408, 1056103, 2112206, 4224412, 8448824, 16897648, 24290369, 48580738, 97161476, 194322952, 388645904]

約数ペア:

[(1, 388645904), (2, 194322952), (4, 97161476), (8, 48580738), (16, 24290369), (23, 16897648), (46, 8448824), (92, 4224412), (184, 2112206), (368, 1056103), (463, 839408), (926, 419704), (1852, 209852), (2281, 170384), (3704, 104926), (4562, 85192), (7408, 52463), (9124, 42596), (10649, 36496), (18248, 21298)]