51318990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2557}}^1$

素因数の和:2793

約数の個数: 48

約数和(自身を含む): 134080128

約数和(自身を除く): 82761138

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 223, 446, 669, 1115, 1338, 2007, 2230, 2557, 3345, 4014, 5114, 6690, 7671, 10035, 12785, 15342, 20070, 23013, 25570, 38355, 46026, 76710, 115065, 230130, 570211, 1140422, 1710633, 2851055, 3421266, 5131899, 5702110, 8553165, 10263798, 17106330, 25659495, 51318990]

約数ペア:

[(1, 51318990), (2, 25659495), (3, 17106330), (5, 10263798), (6, 8553165), (9, 5702110), (10, 5131899), (15, 3421266), (18, 2851055), (30, 1710633), (45, 1140422), (90, 570211), (223, 230130), (446, 115065), (669, 76710), (1115, 46026), (1338, 38355), (2007, 25570), (2230, 23013), (2557, 20070), (3345, 15342), (4014, 12785), (5114, 10035), (6690, 7671)]