401389616

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{678023}}^1$

素因数の和:678068

約数の個数: 20

約数和(自身を含む): 798712272

約数和(自身を除く): 397322656

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 678023, 1356046, 2712092, 5424184, 10848368, 25086851, 50173702, 100347404, 200694808, 401389616]

約数ペア:

[(1, 401389616), (2, 200694808), (4, 100347404), (8, 50173702), (16, 25086851), (37, 10848368), (74, 5424184), (148, 2712092), (296, 1356046), (592, 678023)]