827451779

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 1087395840

約数和(自身を除く): 259944061

約数列:

[1, 7, 11, 47, 49, 77, 89, 329, 367, 517, 539, 623, 979, 2303, 2569, 3619, 4037, 4183, 4361, 6853, 17249, 17983, 25333, 28259, 29281, 32663, 46013, 47971, 120743, 189739, 197813, 204967, 228641, 322091, 359293, 845201, 1328173, 1535161, 1600487, 2254637, 2515051, 9297211, 10746127, 16886771, 17605357, 75222889, 118207397, 827451779]

約数ペア:

[(1, 827451779), (7, 118207397), (11, 75222889), (47, 17605357), (49, 16886771), (77, 10746127), (89, 9297211), (329, 2515051), (367, 2254637), (517, 1600487), (539, 1535161), (623, 1328173), (979, 845201), (2303, 359293), (2569, 322091), (3619, 228641), (4037, 204967), (4183, 197813), (4361, 189739), (6853, 120743), (17249, 47971), (17983, 46013), (25333, 32663), (28259, 29281)]