642895422

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{5657}}^1$

素因数の和:5753

約数の個数: 64

約数和(自身を含む): 1460035584

約数和(自身を除く): 817140162

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 47, 62, 78, 93, 94, 141, 186, 282, 403, 611, 806, 1209, 1222, 1457, 1833, 2418, 2914, 3666, 4371, 5657, 8742, 11314, 16971, 18941, 33942, 37882, 56823, 73541, 113646, 147082, 175367, 220623, 265879, 350734, 441246, 526101, 531758, 797637, 1052202, 1595274, 2279771, 3456427, 4559542, 6839313, 6912854, 8242249, 10369281, 13678626, 16484498, 20738562, 24726747, 49453494, 107149237, 214298474, 321447711, 642895422]

約数ペア:

[(1, 642895422), (2, 321447711), (3, 214298474), (6, 107149237), (13, 49453494), (26, 24726747), (31, 20738562), (39, 16484498), (47, 13678626), (62, 10369281), (78, 8242249), (93, 6912854), (94, 6839313), (141, 4559542), (186, 3456427), (282, 2279771), (403, 1595274), (611, 1052202), (806, 797637), (1209, 531758), (1222, 526101), (1457, 441246), (1833, 350734), (2418, 265879), (2914, 220623), (3666, 175367), (4371, 147082), (5657, 113646), (8742, 73541), (11314, 56823), (16971, 37882), (18941, 33942)]