1878356739

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 3217536000

約数和(自身を除く): 1339179261

約数列:

[1, 3, 7, 19, 21, 41, 47, 49, 57, 123, 133, 141, 147, 287, 329, 349, 399, 779, 861, 893, 931, 987, 1047, 1927, 2009, 2303, 2337, 2443, 2679, 2793, 5453, 5781, 6027, 6251, 6631, 6909, 7329, 13489, 14309, 16359, 16403, 17101, 18753, 19893, 36613, 38171, 40467, 42927, 43757, 46417, 49209, 51303, 94423, 100163, 109839, 114513, 114821, 131271, 139251, 256291, 271871, 283269, 300489, 311657, 324919, 344463, 672523, 701141, 768873, 803747, 815613, 934971, 974757, 1794037, 1903097, 2017569, 2103423, 2181599, 2411241, 4707661, 5382111, 5709291, 6544797, 12777937, 13321679, 14122983, 15271193, 32953627, 38333811, 39965037, 45813579, 89445559, 98860881, 268336677, 626118913, 1878356739]

約数ペア:

[(1, 1878356739), (3, 626118913), (7, 268336677), (19, 98860881), (21, 89445559), (41, 45813579), (47, 39965037), (49, 38333811), (57, 32953627), (123, 15271193), (133, 14122983), (141, 13321679), (147, 12777937), (287, 6544797), (329, 5709291), (349, 5382111), (399, 4707661), (779, 2411241), (861, 2181599), (893, 2103423), (931, 2017569), (987, 1903097), (1047, 1794037), (1927, 974757), (2009, 934971), (2303, 815613), (2337, 803747), (2443, 768873), (2679, 701141), (2793, 672523), (5453, 344463), (5781, 324919), (6027, 311657), (6251, 300489), (6631, 283269), (6909, 271871), (7329, 256291), (13489, 139251), (14309, 131271), (16359, 114821), (16403, 114513), (17101, 109839), (18753, 100163), (19893, 94423), (36613, 51303), (38171, 49209), (40467, 46417), (42927, 43757)]