998171356

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12637}}^1$

素因数の和:12699

約数の個数: 72

約数和(自身を含む): 2259067776

約数和(自身を除く): 1260896420

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 217, 364, 403, 434, 637, 806, 868, 1274, 1519, 1612, 2548, 2821, 3038, 5642, 6076, 11284, 12637, 19747, 25274, 39494, 50548, 78988, 88459, 164281, 176918, 328562, 353836, 391747, 619213, 657124, 783494, 1149967, 1238426, 1566988, 2299934, 2476852, 2742229, 4599868, 5092711, 5484458, 8049769, 10185422, 10968916, 16099538, 19195603, 20370844, 32199076, 35648977, 38391206, 71297954, 76782412, 142595908, 249542839, 499085678, 998171356]

約数ペア:

[(1, 998171356), (2, 499085678), (4, 249542839), (7, 142595908), (13, 76782412), (14, 71297954), (26, 38391206), (28, 35648977), (31, 32199076), (49, 20370844), (52, 19195603), (62, 16099538), (91, 10968916), (98, 10185422), (124, 8049769), (182, 5484458), (196, 5092711), (217, 4599868), (364, 2742229), (403, 2476852), (434, 2299934), (637, 1566988), (806, 1238426), (868, 1149967), (1274, 783494), (1519, 657124), (1612, 619213), (2548, 391747), (2821, 353836), (3038, 328562), (5642, 176918), (6076, 164281), (11284, 88459), (12637, 78988), (19747, 50548), (25274, 39494)]