205641904

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{1289}}^1$

素因数の和:1382

約数の個数: 60

約数和(自身を含む): 439090200

約数和(自身を除く): 233448296

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 59, 104, 118, 169, 208, 236, 338, 472, 676, 767, 944, 1289, 1352, 1534, 2578, 2704, 3068, 5156, 6136, 9971, 10312, 12272, 16757, 19942, 20624, 33514, 39884, 67028, 76051, 79768, 134056, 152102, 159536, 217841, 268112, 304204, 435682, 608408, 871364, 988663, 1216816, 1742728, 1977326, 3485456, 3954652, 7909304, 12852619, 15818608, 25705238, 51410476, 102820952, 205641904]

約数ペア:

[(1, 205641904), (2, 102820952), (4, 51410476), (8, 25705238), (13, 15818608), (16, 12852619), (26, 7909304), (52, 3954652), (59, 3485456), (104, 1977326), (118, 1742728), (169, 1216816), (208, 988663), (236, 871364), (338, 608408), (472, 435682), (676, 304204), (767, 268112), (944, 217841), (1289, 159536), (1352, 152102), (1534, 134056), (2578, 79768), (2704, 76051), (3068, 67028), (5156, 39884), (6136, 33514), (9971, 20624), (10312, 19942), (12272, 16757)]