202109908

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7211}}^1$

素因数の和:7253

約数の個数: 72

約数和(自身を含む): 483434784

約数和(自身を除く): 281324876

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1078, 1274, 2002, 2156, 2548, 4004, 7007, 7211, 14014, 14422, 28028, 28844, 50477, 79321, 93743, 100954, 158642, 187486, 201908, 317284, 353339, 374972, 555247, 656201, 706678, 1031173, 1110494, 1312402, 1413356, 2062346, 2220988, 2624804, 3886729, 4124692, 4593407, 7218211, 7773458, 9186814, 14436422, 15546916, 18373628, 28872844, 50527477, 101054954, 202109908]

約数ペア:

[(1, 202109908), (2, 101054954), (4, 50527477), (7, 28872844), (11, 18373628), (13, 15546916), (14, 14436422), (22, 9186814), (26, 7773458), (28, 7218211), (44, 4593407), (49, 4124692), (52, 3886729), (77, 2624804), (91, 2220988), (98, 2062346), (143, 1413356), (154, 1312402), (182, 1110494), (196, 1031173), (286, 706678), (308, 656201), (364, 555247), (539, 374972), (572, 353339), (637, 317284), (1001, 201908), (1078, 187486), (1274, 158642), (2002, 100954), (2156, 93743), (2548, 79321), (4004, 50477), (7007, 28844), (7211, 28028), (14014, 14422)]