291218956

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 613400256

約数和(自身を除く): 322181300

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 101, 188, 196, 202, 313, 329, 404, 626, 658, 707, 1252, 1316, 1414, 2191, 2303, 2828, 4382, 4606, 4747, 4949, 8764, 9212, 9494, 9898, 14711, 15337, 18988, 19796, 29422, 30674, 31613, 33229, 58844, 61348, 63226, 66458, 102977, 126452, 132916, 205954, 221291, 232603, 411908, 442582, 465206, 720839, 885164, 930412, 1441678, 1485811, 1549037, 2883356, 2971622, 3098074, 5943244, 6196148, 10400677, 20801354, 41602708, 72804739, 145609478, 291218956]

約数ペア:

[(1, 291218956), (2, 145609478), (4, 72804739), (7, 41602708), (14, 20801354), (28, 10400677), (47, 6196148), (49, 5943244), (94, 3098074), (98, 2971622), (101, 2883356), (188, 1549037), (196, 1485811), (202, 1441678), (313, 930412), (329, 885164), (404, 720839), (626, 465206), (658, 442582), (707, 411908), (1252, 232603), (1316, 221291), (1414, 205954), (2191, 132916), (2303, 126452), (2828, 102977), (4382, 66458), (4606, 63226), (4747, 61348), (4949, 58844), (8764, 33229), (9212, 31613), (9494, 30674), (9898, 29422), (14711, 19796), (15337, 18988)]