1878902039

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 2461777920

約数和(自身を除く): 582875881

約数列:

[1, 7, 19, 23, 41, 71, 133, 161, 211, 287, 437, 497, 779, 943, 1349, 1477, 1633, 2911, 3059, 4009, 4853, 5453, 6601, 8651, 9443, 11431, 14981, 17917, 20377, 28063, 31027, 33971, 55309, 60557, 66953, 92207, 104867, 125419, 164369, 198973, 217189, 284639, 344563, 387163, 468671, 614221, 645449, 1150583, 1272107, 1392811, 1992473, 2411941, 3780487, 4299547, 6546697, 8904749, 11670199, 14127083, 26463409, 45826879, 81691393, 98889581, 268414577, 1878902039]

約数ペア:

[(1, 1878902039), (7, 268414577), (19, 98889581), (23, 81691393), (41, 45826879), (71, 26463409), (133, 14127083), (161, 11670199), (211, 8904749), (287, 6546697), (437, 4299547), (497, 3780487), (779, 2411941), (943, 1992473), (1349, 1392811), (1477, 1272107), (1633, 1150583), (2911, 645449), (3059, 614221), (4009, 468671), (4853, 387163), (5453, 344563), (6601, 284639), (8651, 217189), (9443, 198973), (11431, 164369), (14981, 125419), (17917, 104867), (20377, 92207), (28063, 66953), (31027, 60557), (33971, 55309)]