389969504

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{1201}}^1$

素因数の和:1423

約数の個数: 48

約数和(自身を含む): 784521360

約数和(自身を除く): 394551856

約数列:

[1, 2, 4, 8, 16, 32, 73, 139, 146, 278, 292, 556, 584, 1112, 1168, 1201, 2224, 2336, 2402, 4448, 4804, 9608, 10147, 19216, 20294, 38432, 40588, 81176, 87673, 162352, 166939, 175346, 324704, 333878, 350692, 667756, 701384, 1335512, 1402768, 2671024, 2805536, 5342048, 12186547, 24373094, 48746188, 97492376, 194984752, 389969504]

約数ペア:

[(1, 389969504), (2, 194984752), (4, 97492376), (8, 48746188), (16, 24373094), (32, 12186547), (73, 5342048), (139, 2805536), (146, 2671024), (278, 1402768), (292, 1335512), (556, 701384), (584, 667756), (1112, 350692), (1168, 333878), (1201, 324704), (2224, 175346), (2336, 166939), (2402, 162352), (4448, 87673), (4804, 81176), (9608, 40588), (10147, 38432), (19216, 20294)]