28987322

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:463

約数の個数: 48

約数和(自身を含む): 55512072

約数和(自身を除く): 26524750

約数列:

[1, 2, 7, 13, 14, 26, 49, 61, 91, 98, 122, 182, 373, 427, 637, 746, 793, 854, 1274, 1586, 2611, 2989, 4849, 5222, 5551, 5978, 9698, 11102, 18277, 22753, 33943, 36554, 38857, 45506, 67886, 77714, 159271, 237601, 295789, 318542, 475202, 591578, 1114897, 2070523, 2229794, 4141046, 14493661, 28987322]

約数ペア:

[(1, 28987322), (2, 14493661), (7, 4141046), (13, 2229794), (14, 2070523), (26, 1114897), (49, 591578), (61, 475202), (91, 318542), (98, 295789), (122, 237601), (182, 159271), (373, 77714), (427, 67886), (637, 45506), (746, 38857), (793, 36554), (854, 33943), (1274, 22753), (1586, 18277), (2611, 11102), (2989, 9698), (4849, 5978), (5222, 5551)]