31854218

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 56306880

約数和(自身を除く): 24452662

約数列:

[1, 2, 11, 22, 23, 46, 59, 97, 118, 121, 194, 242, 253, 506, 649, 1067, 1298, 1357, 2134, 2231, 2714, 2783, 4462, 5566, 5723, 7139, 11446, 11737, 14278, 14927, 23474, 24541, 29854, 49082, 62953, 125906, 131629, 164197, 263258, 269951, 328394, 539902, 692483, 1384966, 1447919, 2895838, 15927109, 31854218]

約数ペア:

[(1, 31854218), (2, 15927109), (11, 2895838), (22, 1447919), (23, 1384966), (46, 692483), (59, 539902), (97, 328394), (118, 269951), (121, 263258), (194, 164197), (242, 131629), (253, 125906), (506, 62953), (649, 49082), (1067, 29854), (1298, 24541), (1357, 23474), (2134, 14927), (2231, 14278), (2714, 11737), (2783, 11446), (4462, 7139), (5566, 5723)]