42947942

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 70156800

約数和(自身を除く): 27208858

約数列:

[1, 2, 19, 38, 47, 94, 139, 173, 278, 346, 893, 1786, 2641, 3287, 5282, 6533, 6574, 8131, 13066, 16262, 24047, 48094, 124127, 154489, 248254, 308978, 456893, 913786, 1130209, 2260418, 21473971, 42947942]

約数ペア:

[(1, 42947942), (2, 21473971), (19, 2260418), (38, 1130209), (47, 913786), (94, 456893), (139, 308978), (173, 248254), (278, 154489), (346, 124127), (893, 48094), (1786, 24047), (2641, 16262), (3287, 13066), (5282, 8131), (6533, 6574)]