619981978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{2633}}^1$

素因数の和:2803

約数の個数: 48

約数和(自身を含む): 1177081920

約数和(自身を除く): 557099942

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 139, 154, 242, 278, 847, 973, 1529, 1694, 1946, 2633, 3058, 5266, 10703, 16819, 18431, 21406, 28963, 33638, 36862, 57926, 117733, 202741, 235466, 318593, 365987, 405482, 637186, 731974, 2230151, 2561909, 4025857, 4460302, 5123818, 8051714, 28180999, 44284427, 56361998, 88568854, 309990989, 619981978]

約数ペア:

[(1, 619981978), (2, 309990989), (7, 88568854), (11, 56361998), (14, 44284427), (22, 28180999), (77, 8051714), (121, 5123818), (139, 4460302), (154, 4025857), (242, 2561909), (278, 2230151), (847, 731974), (973, 637186), (1529, 405482), (1694, 365987), (1946, 318593), (2633, 235466), (3058, 202741), (5266, 117733), (10703, 57926), (16819, 36862), (18431, 33638), (21406, 28963)]