31109218

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 58506624

約数和(自身を除く): 27397406

約数列:

[1, 2, 7, 14, 17, 34, 49, 71, 98, 119, 142, 238, 263, 497, 526, 833, 994, 1207, 1666, 1841, 2414, 3479, 3682, 4471, 6958, 8449, 8942, 12887, 16898, 18673, 25774, 31297, 37346, 59143, 62594, 118286, 130711, 219079, 261422, 317441, 438158, 634882, 914977, 1829954, 2222087, 4444174, 15554609, 31109218]

約数ペア:

[(1, 31109218), (2, 15554609), (7, 4444174), (14, 2222087), (17, 1829954), (34, 914977), (49, 634882), (71, 438158), (98, 317441), (119, 261422), (142, 219079), (238, 130711), (263, 118286), (497, 62594), (526, 59143), (833, 37346), (994, 31297), (1207, 25774), (1666, 18673), (1841, 16898), (2414, 12887), (3479, 8942), (3682, 8449), (4471, 6958)]